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Finding the Fourth Proportional to 286,737.04, 395,700 and 157,682.32

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Solution

The fourth proportional to 286,737.04, 395,700 and 157,682.32 is: 217,603.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,737.04 : 395,700 = 157,682.32 : x
  2. Step 2: Convert to fraction form
    286,737.04/395,700 = 157,682.32/x
  3. Step 3: Cross multiply
    286,737.04x = 395,700 × 157,682.32
  4. Step 4: Simplify right side
    286,737.04x = 62,394,894,024
  5. Step 5: Solve for x
    x = 62,394,894,024/286,737.04
  6. Step 6: Final answer
    x = 217,603.19

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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.