Home / 220,341.28-304,073.04-130,900

Finding the Fourth Proportional to 220,341.28, 304,073.04 and 130,900

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Solution

The fourth proportional to 220,341.28, 304,073.04 and 130,900 is: 180,643.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,341.28 : 304,073.04 = 130,900 : x
  2. Step 2: Convert to fraction form
    220,341.28/304,073.04 = 130,900/x
  3. Step 3: Cross multiply
    220,341.28x = 304,073.04 × 130,900
  4. Step 4: Simplify right side
    220,341.28x = 39,803,160,936
  5. Step 5: Solve for x
    x = 39,803,160,936/220,341.28
  6. Step 6: Final answer
    x = 180,643.23

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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.