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Finding the Fourth Proportional to 346,977.77, 479,100.71 and 266,277.47

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Solution

The fourth proportional to 346,977.77, 479,100.71 and 266,277.47 is: 367,671.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,977.77 : 479,100.71 = 266,277.47 : x
  2. Step 2: Convert to fraction form
    346,977.77/479,100.71 = 266,277.47/x
  3. Step 3: Cross multiply
    346,977.77x = 479,100.71 × 266,277.47
  4. Step 4: Simplify right side
    346,977.77x = 127,573,723,602.62
  5. Step 5: Solve for x
    x = 127,573,723,602.62/346,977.77
  6. Step 6: Final answer
    x = 367,671.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.