Home / 282,827.84-390,298.92-155,502.32

Finding the Fourth Proportional to 282,827.84, 390,298.92 and 155,502.32

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Solution

The fourth proportional to 282,827.84, 390,298.92 and 155,502.32 is: 214,591.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,827.84 : 390,298.92 = 155,502.32 : x
  2. Step 2: Convert to fraction form
    282,827.84/390,298.92 = 155,502.32/x
  3. Step 3: Cross multiply
    282,827.84x = 390,298.92 × 155,502.32
  4. Step 4: Simplify right side
    282,827.84x = 60,692,387,553.49
  5. Step 5: Solve for x
    x = 60,692,387,553.49/282,827.84
  6. Step 6: Final answer
    x = 214,591.28

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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.