Home / 302,637.40-417,818.46-269,006.20

Finding the Fourth Proportional to 302,637.40, 417,818.46 and 269,006.20

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Solution

The fourth proportional to 302,637.40, 417,818.46 and 269,006.20 is: 371,387.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,637.40 : 417,818.46 = 269,006.20 : x
  2. Step 2: Convert to fraction form
    302,637.40/417,818.46 = 269,006.20/x
  3. Step 3: Cross multiply
    302,637.40x = 417,818.46 × 269,006.20
  4. Step 4: Simplify right side
    302,637.40x = 112,395,756,214.45
  5. Step 5: Solve for x
    x = 112,395,756,214.45/302,637.40
  6. Step 6: Final answer
    x = 371,387.53

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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.