Home / 291,938.49-402,878.02-162,875.88

Finding the Fourth Proportional to 291,938.49, 402,878.02 and 162,875.88

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Solution

The fourth proportional to 291,938.49, 402,878.02 and 162,875.88 is: 224,770.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,938.49 : 402,878.02 = 162,875.88 : x
  2. Step 2: Convert to fraction form
    291,938.49/402,878.02 = 162,875.88/x
  3. Step 3: Cross multiply
    291,938.49x = 402,878.02 × 162,875.88
  4. Step 4: Simplify right side
    291,938.49x = 65,619,112,040.16
  5. Step 5: Solve for x
    x = 65,619,112,040.16/291,938.49
  6. Step 6: Final answer
    x = 224,770.33

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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.