Home / 283,070.33-390,488.15-168,267.31

Finding the Fourth Proportional to 283,070.33, 390,488.15 and 168,267.31

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Solution

The fourth proportional to 283,070.33, 390,488.15 and 168,267.31 is: 232,120.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,070.33 : 390,488.15 = 168,267.31 : x
  2. Step 2: Convert to fraction form
    283,070.33/390,488.15 = 168,267.31/x
  3. Step 3: Cross multiply
    283,070.33x = 390,488.15 × 168,267.31
  4. Step 4: Simplify right side
    283,070.33x = 65,706,391,496.16
  5. Step 5: Solve for x
    x = 65,706,391,496.16/283,070.33
  6. Step 6: Final answer
    x = 232,120.38

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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.