Home / 257,041.35-354,717.01-143,864.10

Finding the Fourth Proportional to 257,041.35, 354,717.01 and 143,864.10

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Solution

The fourth proportional to 257,041.35, 354,717.01 and 143,864.10 is: 198,532.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,041.35 : 354,717.01 = 143,864.10 : x
  2. Step 2: Convert to fraction form
    257,041.35/354,717.01 = 143,864.10/x
  3. Step 3: Cross multiply
    257,041.35x = 354,717.01 × 143,864.10
  4. Step 4: Simplify right side
    257,041.35x = 51,031,043,398.34
  5. Step 5: Solve for x
    x = 51,031,043,398.34/257,041.35
  6. Step 6: Final answer
    x = 198,532.43

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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.