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Finding the Fourth Proportional to 343,962.30, 514,906.65 and 302,490.30

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Solution

The fourth proportional to 343,962.30, 514,906.65 and 302,490.30 is: 452,823.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,962.30 : 514,906.65 = 302,490.30 : x
  2. Step 2: Convert to fraction form
    343,962.30/514,906.65 = 302,490.30/x
  3. Step 3: Cross multiply
    343,962.30x = 514,906.65 × 302,490.30
  4. Step 4: Simplify right side
    343,962.30x = 155,754,267,030.50
  5. Step 5: Solve for x
    x = 155,754,267,030.50/343,962.30
  6. Step 6: Final answer
    x = 452,823.66

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1.5x scale

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.