Home / 282,829.34-390,300.99-155,503.82

Finding the Fourth Proportional to 282,829.34, 390,300.99 and 155,503.82

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Solution

The fourth proportional to 282,829.34, 390,300.99 and 155,503.82 is: 214,593.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,829.34 : 390,300.99 = 155,503.82 : x
  2. Step 2: Convert to fraction form
    282,829.34/390,300.99 = 155,503.82/x
  3. Step 3: Cross multiply
    282,829.34x = 390,300.99 × 155,503.82
  4. Step 4: Simplify right side
    282,829.34x = 60,693,294,894.78
  5. Step 5: Solve for x
    x = 60,693,294,894.78/282,829.34
  6. Step 6: Final answer
    x = 214,593.35

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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.