Home / 272,966.84-376,775.34-172,431.80

Finding the Fourth Proportional to 272,966.84, 376,775.34 and 172,431.80

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Solution

The fourth proportional to 272,966.84, 376,775.34 and 172,431.80 is: 238,007.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,966.84 : 376,775.34 = 172,431.80 : x
  2. Step 2: Convert to fraction form
    272,966.84/376,775.34 = 172,431.80/x
  3. Step 3: Cross multiply
    272,966.84x = 376,775.34 × 172,431.80
  4. Step 4: Simplify right side
    272,966.84x = 64,968,050,071.81
  5. Step 5: Solve for x
    x = 64,968,050,071.81/272,966.84
  6. Step 6: Final answer
    x = 238,007.11

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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.