Home / 371,001.28-556,126.26-146,520

Finding the Fourth Proportional to 371,001.28, 556,126.26 and 146,520

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Solution

The fourth proportional to 371,001.28, 556,126.26 and 146,520 is: 219,631.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,001.28 : 556,126.26 = 146,520 : x
  2. Step 2: Convert to fraction form
    371,001.28/556,126.26 = 146,520/x
  3. Step 3: Cross multiply
    371,001.28x = 556,126.26 × 146,520
  4. Step 4: Simplify right side
    371,001.28x = 81,483,619,615.20
  5. Step 5: Solve for x
    x = 81,483,619,615.20/371,001.28
  6. Step 6: Final answer
    x = 219,631.64

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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.