Home / 418,297.18-577,333.92-248,498.50

Finding the Fourth Proportional to 418,297.18, 577,333.92 and 248,498.50

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Solution

The fourth proportional to 418,297.18, 577,333.92 and 248,498.50 is: 342,977.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,297.18 : 577,333.92 = 248,498.50 : x
  2. Step 2: Convert to fraction form
    418,297.18/577,333.92 = 248,498.50/x
  3. Step 3: Cross multiply
    418,297.18x = 577,333.92 × 248,498.50
  4. Step 4: Simplify right side
    418,297.18x = 143,466,613,119.12
  5. Step 5: Solve for x
    x = 143,466,613,119.12/418,297.18
  6. Step 6: Final answer
    x = 342,977.72

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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.