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Finding the Fourth Proportional to 578,101, 867,501.44 and 245,677

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Solution

The fourth proportional to 578,101, 867,501.44 and 245,677 is: 368,664.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,101 : 867,501.44 = 245,677 : x
  2. Step 2: Convert to fraction form
    578,101/867,501.44 = 245,677/x
  3. Step 3: Cross multiply
    578,101x = 867,501.44 × 245,677
  4. Step 4: Simplify right side
    578,101x = 213,125,151,274.88
  5. Step 5: Solve for x
    x = 213,125,151,274.88/578,101
  6. Step 6: Final answer
    x = 368,664.21

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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.