Home / 282,925.34-390,444.36-155,604.28

Finding the Fourth Proportional to 282,925.34, 390,444.36 and 155,604.28

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Solution

The fourth proportional to 282,925.34, 390,444.36 and 155,604.28 is: 214,737.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,925.34 : 390,444.36 = 155,604.28 : x
  2. Step 2: Convert to fraction form
    282,925.34/390,444.36 = 155,604.28/x
  3. Step 3: Cross multiply
    282,925.34x = 390,444.36 × 155,604.28
  4. Step 4: Simplify right side
    282,925.34x = 60,754,811,565.64
  5. Step 5: Solve for x
    x = 60,754,811,565.64/282,925.34
  6. Step 6: Final answer
    x = 214,737.96

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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.