Home / 283,148.68-390,737.32-160,663.36

Finding the Fourth Proportional to 283,148.68, 390,737.32 and 160,663.36

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Solution

The fourth proportional to 283,148.68, 390,737.32 and 160,663.36 is: 221,710.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,148.68 : 390,737.32 = 160,663.36 : x
  2. Step 2: Convert to fraction form
    283,148.68/390,737.32 = 160,663.36/x
  3. Step 3: Cross multiply
    283,148.68x = 390,737.32 × 160,663.36
  4. Step 4: Simplify right side
    283,148.68x = 62,777,170,708.60
  5. Step 5: Solve for x
    x = 62,777,170,708.60/283,148.68
  6. Step 6: Final answer
    x = 221,710.98

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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.