Home / 353,210.13-487,536.71-240,098.49

Finding the Fourth Proportional to 353,210.13, 487,536.71 and 240,098.49

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Solution

The fourth proportional to 353,210.13, 487,536.71 and 240,098.49 is: 331,408.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,210.13 : 487,536.71 = 240,098.49 : x
  2. Step 2: Convert to fraction form
    353,210.13/487,536.71 = 240,098.49/x
  3. Step 3: Cross multiply
    353,210.13x = 487,536.71 × 240,098.49
  4. Step 4: Simplify right side
    353,210.13x = 117,056,826,690.08
  5. Step 5: Solve for x
    x = 117,056,826,690.08/353,210.13
  6. Step 6: Final answer
    x = 331,408.46

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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.