Home / 487,035.84-672,111.95-272,179.50

Finding the Fourth Proportional to 487,035.84, 672,111.95 and 272,179.50

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Solution

The fourth proportional to 487,035.84, 672,111.95 and 272,179.50 is: 375,609.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,035.84 : 672,111.95 = 272,179.50 : x
  2. Step 2: Convert to fraction form
    487,035.84/672,111.95 = 272,179.50/x
  3. Step 3: Cross multiply
    487,035.84x = 672,111.95 × 272,179.50
  4. Step 4: Simplify right side
    487,035.84x = 182,935,094,495.03
  5. Step 5: Solve for x
    x = 182,935,094,495.03/487,035.84
  6. Step 6: Final answer
    x = 375,609.10

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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.