Home / 282,923.26-390,442.26-155,607.06

Finding the Fourth Proportional to 282,923.26, 390,442.26 and 155,607.06

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Solution

The fourth proportional to 282,923.26, 390,442.26 and 155,607.06 is: 214,742.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,923.26 : 390,442.26 = 155,607.06 : x
  2. Step 2: Convert to fraction form
    282,923.26/390,442.26 = 155,607.06/x
  3. Step 3: Cross multiply
    282,923.26x = 390,442.26 × 155,607.06
  4. Step 4: Simplify right side
    282,923.26x = 60,755,572,178.36
  5. Step 5: Solve for x
    x = 60,755,572,178.36/282,923.26
  6. Step 6: Final answer
    x = 214,742.23

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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.