Home / 342,823.20-514,526.40-153,574.80

Finding the Fourth Proportional to 342,823.20, 514,526.40 and 153,574.80

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Solution

The fourth proportional to 342,823.20, 514,526.40 and 153,574.80 is: 230,492.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,823.20 : 514,526.40 = 153,574.80 : x
  2. Step 2: Convert to fraction form
    342,823.20/514,526.40 = 153,574.80/x
  3. Step 3: Cross multiply
    342,823.20x = 514,526.40 × 153,574.80
  4. Step 4: Simplify right side
    342,823.20x = 79,018,288,974.72
  5. Step 5: Solve for x
    x = 79,018,288,974.72/342,823.20
  6. Step 6: Final answer
    x = 230,492.83

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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.