Home / 282,733.43-390,172.43-155,406.29

Finding the Fourth Proportional to 282,733.43, 390,172.43 and 155,406.29

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Solution

The fourth proportional to 282,733.43, 390,172.43 and 155,406.29 is: 214,460.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,733.43 : 390,172.43 = 155,406.29 : x
  2. Step 2: Convert to fraction form
    282,733.43/390,172.43 = 155,406.29/x
  3. Step 3: Cross multiply
    282,733.43x = 390,172.43 × 155,406.29
  4. Step 4: Simplify right side
    282,733.43x = 60,635,249,029.55
  5. Step 5: Solve for x
    x = 60,635,249,029.55/282,733.43
  6. Step 6: Final answer
    x = 214,460.84

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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.