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Finding the Fourth Proportional to 343,260.60, 514,890.90 and 310,601.40

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Solution

The fourth proportional to 343,260.60, 514,890.90 and 310,601.40 is: 465,902.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,260.60 : 514,890.90 = 310,601.40 : x
  2. Step 2: Convert to fraction form
    343,260.60/514,890.90 = 310,601.40/x
  3. Step 3: Cross multiply
    343,260.60x = 514,890.90 × 310,601.40
  4. Step 4: Simplify right side
    343,260.60x = 159,925,834,387.26
  5. Step 5: Solve for x
    x = 159,925,834,387.26/343,260.60
  6. Step 6: Final answer
    x = 465,902.10

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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.