Home / 286,606.36-429,909.02-76,244.30

Finding the Fourth Proportional to 286,606.36, 429,909.02 and 76,244.30

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Solution

The fourth proportional to 286,606.36, 429,909.02 and 76,244.30 is: 114,366.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,606.36 : 429,909.02 = 76,244.30 : x
  2. Step 2: Convert to fraction form
    286,606.36/429,909.02 = 76,244.30/x
  3. Step 3: Cross multiply
    286,606.36x = 429,909.02 × 76,244.30
  4. Step 4: Simplify right side
    286,606.36x = 32,778,112,293.59
  5. Step 5: Solve for x
    x = 32,778,112,293.59/286,606.36
  6. Step 6: Final answer
    x = 114,366.31

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.