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Finding the Fourth Proportional to 272,035.84, 375,444.48 and 152,826.88

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Solution

The fourth proportional to 272,035.84, 375,444.48 and 152,826.88 is: 210,920.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,035.84 : 375,444.48 = 152,826.88 : x
  2. Step 2: Convert to fraction form
    272,035.84/375,444.48 = 152,826.88/x
  3. Step 3: Cross multiply
    272,035.84x = 375,444.48 × 152,826.88
  4. Step 4: Simplify right side
    272,035.84x = 57,378,008,491.62
  5. Step 5: Solve for x
    x = 57,378,008,491.62/272,035.84
  6. Step 6: Final answer
    x = 210,920.77

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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.