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Finding the Fourth Proportional to 286,675.71, 395,578.08 and 157,592.89

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Solution

The fourth proportional to 286,675.71, 395,578.08 and 157,592.89 is: 217,459.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,675.71 : 395,578.08 = 157,592.89 : x
  2. Step 2: Convert to fraction form
    286,675.71/395,578.08 = 157,592.89/x
  3. Step 3: Cross multiply
    286,675.71x = 395,578.08 × 157,592.89
  4. Step 4: Simplify right side
    286,675.71x = 62,340,293,342.32
  5. Step 5: Solve for x
    x = 62,340,293,342.32/286,675.71
  6. Step 6: Final answer
    x = 217,459.28

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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.