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Finding the Fourth Proportional to 346,954.58, 520,550.07 and 187,046

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Solution

The fourth proportional to 346,954.58, 520,550.07 and 187,046 is: 280,632.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,954.58 : 520,550.07 = 187,046 : x
  2. Step 2: Convert to fraction form
    346,954.58/520,550.07 = 187,046/x
  3. Step 3: Cross multiply
    346,954.58x = 520,550.07 × 187,046
  4. Step 4: Simplify right side
    346,954.58x = 97,366,808,393.22
  5. Step 5: Solve for x
    x = 97,366,808,393.22/346,954.58
  6. Step 6: Final answer
    x = 280,632.72

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.