Home / 435,823.20-653,605.20-169,430.40

Finding the Fourth Proportional to 435,823.20, 653,605.20 and 169,430.40

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Solution

The fourth proportional to 435,823.20, 653,605.20 and 169,430.40 is: 254,095.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,823.20 : 653,605.20 = 169,430.40 : x
  2. Step 2: Convert to fraction form
    435,823.20/653,605.20 = 169,430.40/x
  3. Step 3: Cross multiply
    435,823.20x = 653,605.20 × 169,430.40
  4. Step 4: Simplify right side
    435,823.20x = 110,740,590,478.08
  5. Step 5: Solve for x
    x = 110,740,590,478.08/435,823.20
  6. Step 6: Final answer
    x = 254,095.22

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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.