Home / 272,439.86-375,984.98-151,581.40

Finding the Fourth Proportional to 272,439.86, 375,984.98 and 151,581.40

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Solution

The fourth proportional to 272,439.86, 375,984.98 and 151,581.40 is: 209,192.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,439.86 : 375,984.98 = 151,581.40 : x
  2. Step 2: Convert to fraction form
    272,439.86/375,984.98 = 151,581.40/x
  3. Step 3: Cross multiply
    272,439.86x = 375,984.98 × 151,581.40
  4. Step 4: Simplify right side
    272,439.86x = 56,992,328,798.44
  5. Step 5: Solve for x
    x = 56,992,328,798.44/272,439.86
  6. Step 6: Final answer
    x = 209,192.33

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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.