Home / 283,148.43-390,736.98-160,663.11

Finding the Fourth Proportional to 283,148.43, 390,736.98 and 160,663.11

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Solution

The fourth proportional to 283,148.43, 390,736.98 and 160,663.11 is: 221,710.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,148.43 : 390,736.98 = 160,663.11 : x
  2. Step 2: Convert to fraction form
    283,148.43/390,736.98 = 160,663.11/x
  3. Step 3: Cross multiply
    283,148.43x = 390,736.98 × 160,663.11
  4. Step 4: Simplify right side
    283,148.43x = 62,777,018,398.81
  5. Step 5: Solve for x
    x = 62,777,018,398.81/283,148.43
  6. Step 6: Final answer
    x = 221,710.64

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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.