Home / 306,117.90-459,176.85-206,585.10

Finding the Fourth Proportional to 306,117.90, 459,176.85 and 206,585.10

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Solution

The fourth proportional to 306,117.90, 459,176.85 and 206,585.10 is: 309,877.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,117.90 : 459,176.85 = 206,585.10 : x
  2. Step 2: Convert to fraction form
    306,117.90/459,176.85 = 206,585.10/x
  3. Step 3: Cross multiply
    306,117.90x = 459,176.85 × 206,585.10
  4. Step 4: Simplify right side
    306,117.90x = 94,859,095,474.94
  5. Step 5: Solve for x
    x = 94,859,095,474.94/306,117.90
  6. Step 6: Final answer
    x = 309,877.65

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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.