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Finding the Fourth Proportional to 360,281.66, 539,674.79 and 210,066.35

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Solution

The fourth proportional to 360,281.66, 539,674.79 and 210,066.35 is: 314,663.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,281.66 : 539,674.79 = 210,066.35 : x
  2. Step 2: Convert to fraction form
    360,281.66/539,674.79 = 210,066.35/x
  3. Step 3: Cross multiply
    360,281.66x = 539,674.79 × 210,066.35
  4. Step 4: Simplify right side
    360,281.66x = 113,367,509,573.61
  5. Step 5: Solve for x
    x = 113,367,509,573.61/360,281.66
  6. Step 6: Final answer
    x = 314,663.56

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1.5x scale

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.