Home / 435,276.60-653,433.30-245,887.80

Finding the Fourth Proportional to 435,276.60, 653,433.30 and 245,887.80

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Solution

The fourth proportional to 435,276.60, 653,433.30 and 245,887.80 is: 369,124.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,276.60 : 653,433.30 = 245,887.80 : x
  2. Step 2: Convert to fraction form
    435,276.60/653,433.30 = 245,887.80/x
  3. Step 3: Cross multiply
    435,276.60x = 653,433.30 × 245,887.80
  4. Step 4: Simplify right side
    435,276.60x = 160,671,276,583.74
  5. Step 5: Solve for x
    x = 160,671,276,583.74/435,276.60
  6. Step 6: Final answer
    x = 369,124.54

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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.