Home / 282,799.46-390,389.04-168,115.22

Finding the Fourth Proportional to 282,799.46, 390,389.04 and 168,115.22

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Solution

The fourth proportional to 282,799.46, 390,389.04 and 168,115.22 is: 232,073.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,799.46 : 390,389.04 = 168,115.22 : x
  2. Step 2: Convert to fraction form
    282,799.46/390,389.04 = 168,115.22/x
  3. Step 3: Cross multiply
    282,799.46x = 390,389.04 × 168,115.22
  4. Step 4: Simplify right side
    282,799.46x = 65,630,337,393.24
  5. Step 5: Solve for x
    x = 65,630,337,393.24/282,799.46
  6. Step 6: Final answer
    x = 232,073.78

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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.