Home / 341,260.20-511,890.30-315,599.40

Finding the Fourth Proportional to 341,260.20, 511,890.30 and 315,599.40

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Solution

The fourth proportional to 341,260.20, 511,890.30 and 315,599.40 is: 473,399.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,260.20 : 511,890.30 = 315,599.40 : x
  2. Step 2: Convert to fraction form
    341,260.20/511,890.30 = 315,599.40/x
  3. Step 3: Cross multiply
    341,260.20x = 511,890.30 × 315,599.40
  4. Step 4: Simplify right side
    341,260.20x = 161,552,271,545.82
  5. Step 5: Solve for x
    x = 161,552,271,545.82/341,260.20
  6. Step 6: Final answer
    x = 473,399.10

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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.