Home / 282,901.35-390,396.07-155,576.94

Finding the Fourth Proportional to 282,901.35, 390,396.07 and 155,576.94

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Solution

The fourth proportional to 282,901.35, 390,396.07 and 155,576.94 is: 214,691.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,901.35 : 390,396.07 = 155,576.94 : x
  2. Step 2: Convert to fraction form
    282,901.35/390,396.07 = 155,576.94/x
  3. Step 3: Cross multiply
    282,901.35x = 390,396.07 × 155,576.94
  4. Step 4: Simplify right side
    282,901.35x = 60,736,625,569.68
  5. Step 5: Solve for x
    x = 60,736,625,569.68/282,901.35
  6. Step 6: Final answer
    x = 214,691.89

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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.