Home / 434,280.25-651,552.06-209,598.80

Finding the Fourth Proportional to 434,280.25, 651,552.06 and 209,598.80

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Solution

The fourth proportional to 434,280.25, 651,552.06 and 209,598.80 is: 314,461.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,280.25 : 651,552.06 = 209,598.80 : x
  2. Step 2: Convert to fraction form
    434,280.25/651,552.06 = 209,598.80/x
  3. Step 3: Cross multiply
    434,280.25x = 651,552.06 × 209,598.80
  4. Step 4: Simplify right side
    434,280.25x = 136,564,532,328.40
  5. Step 5: Solve for x
    x = 136,564,532,328.40/434,280.25
  6. Step 6: Final answer
    x = 314,461.76

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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.