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Finding the Fourth Proportional to 287,797.73, 429,565.14 and 270,068.45

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Solution

The fourth proportional to 287,797.73, 429,565.14 and 270,068.45 is: 403,102.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,797.73 : 429,565.14 = 270,068.45 : x
  2. Step 2: Convert to fraction form
    287,797.73/429,565.14 = 270,068.45/x
  3. Step 3: Cross multiply
    287,797.73x = 429,565.14 × 270,068.45
  4. Step 4: Simplify right side
    287,797.73x = 116,011,989,386.01
  5. Step 5: Solve for x
    x = 116,011,989,386.01/287,797.73
  6. Step 6: Final answer
    x = 403,102.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.