Home / 282,882.98-390,389.10-169,683.86

Finding the Fourth Proportional to 282,882.98, 390,389.10 and 169,683.86

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Solution

The fourth proportional to 282,882.98, 390,389.10 and 169,683.86 is: 234,170.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,882.98 : 390,389.10 = 169,683.86 : x
  2. Step 2: Convert to fraction form
    282,882.98/390,389.10 = 169,683.86/x
  3. Step 3: Cross multiply
    282,882.98x = 390,389.10 × 169,683.86
  4. Step 4: Simplify right side
    282,882.98x = 66,242,729,389.93
  5. Step 5: Solve for x
    x = 66,242,729,389.93/282,882.98
  6. Step 6: Final answer
    x = 234,170.08

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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.