Home / 286,179.12-429,333.48-152,989.20

Finding the Fourth Proportional to 286,179.12, 429,333.48 and 152,989.20

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Solution

The fourth proportional to 286,179.12, 429,333.48 and 152,989.20 is: 229,518.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,179.12 : 429,333.48 = 152,989.20 : x
  2. Step 2: Convert to fraction form
    286,179.12/429,333.48 = 152,989.20/x
  3. Step 3: Cross multiply
    286,179.12x = 429,333.48 × 152,989.20
  4. Step 4: Simplify right side
    286,179.12x = 65,683,385,638.42
  5. Step 5: Solve for x
    x = 65,683,385,638.42/286,179.12
  6. Step 6: Final answer
    x = 229,518.44

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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.