Home / 272,931.67-376,640.69-152,070.36

Finding the Fourth Proportional to 272,931.67, 376,640.69 and 152,070.36

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Solution

The fourth proportional to 272,931.67, 376,640.69 and 152,070.36 is: 209,854.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,931.67 : 376,640.69 = 152,070.36 : x
  2. Step 2: Convert to fraction form
    272,931.67/376,640.69 = 152,070.36/x
  3. Step 3: Cross multiply
    272,931.67x = 376,640.69 × 152,070.36
  4. Step 4: Simplify right side
    272,931.67x = 57,275,883,435.75
  5. Step 5: Solve for x
    x = 57,275,883,435.75/272,931.67
  6. Step 6: Final answer
    x = 209,854.30

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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.