Home / 423,048.20-634,802.70-173,755.40

Finding the Fourth Proportional to 423,048.20, 634,802.70 and 173,755.40

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Solution

The fourth proportional to 423,048.20, 634,802.70 and 173,755.40 is: 260,727.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,048.20 : 634,802.70 = 173,755.40 : x
  2. Step 2: Convert to fraction form
    423,048.20/634,802.70 = 173,755.40/x
  3. Step 3: Cross multiply
    423,048.20x = 634,802.70 × 173,755.40
  4. Step 4: Simplify right side
    423,048.20x = 110,300,397,059.58
  5. Step 5: Solve for x
    x = 110,300,397,059.58/423,048.20
  6. Step 6: Final answer
    x = 260,727.73

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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.