Home / 282,799.32-390,253.08-155,473.96

Finding the Fourth Proportional to 282,799.32, 390,253.08 and 155,473.96

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Solution

The fourth proportional to 282,799.32, 390,253.08 and 155,473.96 is: 214,548.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,799.32 : 390,253.08 = 155,473.96 : x
  2. Step 2: Convert to fraction form
    282,799.32/390,253.08 = 155,473.96/x
  3. Step 3: Cross multiply
    282,799.32x = 390,253.08 × 155,473.96
  4. Step 4: Simplify right side
    282,799.32x = 60,674,191,749.80
  5. Step 5: Solve for x
    x = 60,674,191,749.80/282,799.32
  6. Step 6: Final answer
    x = 214,548.58

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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.