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Finding the Fourth Proportional to 286,356.32, 429,476.16 and 108,801.08

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Solution

The fourth proportional to 286,356.32, 429,476.16 and 108,801.08 is: 163,179.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,356.32 : 429,476.16 = 108,801.08 : x
  2. Step 2: Convert to fraction form
    286,356.32/429,476.16 = 108,801.08/x
  3. Step 3: Cross multiply
    286,356.32x = 429,476.16 × 108,801.08
  4. Step 4: Simplify right side
    286,356.32x = 46,727,470,042.25
  5. Step 5: Solve for x
    x = 46,727,470,042.25/286,356.32
  6. Step 6: Final answer
    x = 163,179.46

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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.