Home / 447,730.84-671,592.16-181,428.05

Finding the Fourth Proportional to 447,730.84, 671,592.16 and 181,428.05

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Solution

The fourth proportional to 447,730.84, 671,592.16 and 181,428.05 is: 272,140.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,730.84 : 671,592.16 = 181,428.05 : x
  2. Step 2: Convert to fraction form
    447,730.84/671,592.16 = 181,428.05/x
  3. Step 3: Cross multiply
    447,730.84x = 671,592.16 × 181,428.05
  4. Step 4: Simplify right side
    447,730.84x = 121,845,657,889.85
  5. Step 5: Solve for x
    x = 121,845,657,889.85/447,730.84
  6. Step 6: Final answer
    x = 272,140.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.