Home / 442,373.81-610,283.34-281,142.50

Finding the Fourth Proportional to 442,373.81, 610,283.34 and 281,142.50

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Solution

The fourth proportional to 442,373.81, 610,283.34 and 281,142.50 is: 387,854.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,373.81 : 610,283.34 = 281,142.50 : x
  2. Step 2: Convert to fraction form
    442,373.81/610,283.34 = 281,142.50/x
  3. Step 3: Cross multiply
    442,373.81x = 610,283.34 × 281,142.50
  4. Step 4: Simplify right side
    442,373.81x = 171,576,580,864.53
  5. Step 5: Solve for x
    x = 171,576,580,864.53/442,373.81
  6. Step 6: Final answer
    x = 387,854.30

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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.