Home / 283,136.32-390,565.60-176,968

Finding the Fourth Proportional to 283,136.32, 390,565.60 and 176,968

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Solution

The fourth proportional to 283,136.32, 390,565.60 and 176,968 is: 244,114.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,136.32 : 390,565.60 = 176,968 : x
  2. Step 2: Convert to fraction form
    283,136.32/390,565.60 = 176,968/x
  3. Step 3: Cross multiply
    283,136.32x = 390,565.60 × 176,968
  4. Step 4: Simplify right side
    283,136.32x = 69,117,613,100.80
  5. Step 5: Solve for x
    x = 69,117,613,100.80/283,136.32
  6. Step 6: Final answer
    x = 244,114.26

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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.