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Finding the Fourth Proportional to 342,574.61, 514,039.11 and 248,579.75

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Solution

The fourth proportional to 342,574.61, 514,039.11 and 248,579.75 is: 372,998.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,574.61 : 514,039.11 = 248,579.75 : x
  2. Step 2: Convert to fraction form
    342,574.61/514,039.11 = 248,579.75/x
  3. Step 3: Cross multiply
    342,574.61x = 514,039.11 × 248,579.75
  4. Step 4: Simplify right side
    342,574.61x = 127,779,709,640.93
  5. Step 5: Solve for x
    x = 127,779,709,640.93/342,574.61
  6. Step 6: Final answer
    x = 372,998.19

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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.