Home / 345,214.09-476,394.98-202,001.74

Finding the Fourth Proportional to 345,214.09, 476,394.98 and 202,001.74

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Solution

The fourth proportional to 345,214.09, 476,394.98 and 202,001.74 is: 278,762.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,214.09 : 476,394.98 = 202,001.74 : x
  2. Step 2: Convert to fraction form
    345,214.09/476,394.98 = 202,001.74/x
  3. Step 3: Cross multiply
    345,214.09x = 476,394.98 × 202,001.74
  4. Step 4: Simplify right side
    345,214.09x = 96,232,614,887.27
  5. Step 5: Solve for x
    x = 96,232,614,887.27/345,214.09
  6. Step 6: Final answer
    x = 278,762.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.