Home / 389,988.50-584,982.48-146,875.42

Finding the Fourth Proportional to 389,988.50, 584,982.48 and 146,875.42

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Solution

The fourth proportional to 389,988.50, 584,982.48 and 146,875.42 is: 220,313.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,988.50 : 584,982.48 = 146,875.42 : x
  2. Step 2: Convert to fraction form
    389,988.50/584,982.48 = 146,875.42/x
  3. Step 3: Cross multiply
    389,988.50x = 584,982.48 × 146,875.42
  4. Step 4: Simplify right side
    389,988.50x = 85,919,547,442.64
  5. Step 5: Solve for x
    x = 85,919,547,442.64/389,988.50
  6. Step 6: Final answer
    x = 220,313.03

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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.