Home / 283,032.09-390,488.85-160,511.22

Finding the Fourth Proportional to 283,032.09, 390,488.85 and 160,511.22

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Solution

The fourth proportional to 283,032.09, 390,488.85 and 160,511.22 is: 221,451.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,032.09 : 390,488.85 = 160,511.22 : x
  2. Step 2: Convert to fraction form
    283,032.09/390,488.85 = 160,511.22/x
  3. Step 3: Cross multiply
    283,032.09x = 390,488.85 × 160,511.22
  4. Step 4: Simplify right side
    283,032.09x = 62,677,841,709.90
  5. Step 5: Solve for x
    x = 62,677,841,709.90/283,032.09
  6. Step 6: Final answer
    x = 221,451.36

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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.