Home / 314,799.84-471,856.14-154,985.76

Finding the Fourth Proportional to 314,799.84, 471,856.14 and 154,985.76

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Solution

The fourth proportional to 314,799.84, 471,856.14 and 154,985.76 is: 232,309.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,799.84 : 471,856.14 = 154,985.76 : x
  2. Step 2: Convert to fraction form
    314,799.84/471,856.14 = 154,985.76/x
  3. Step 3: Cross multiply
    314,799.84x = 471,856.14 × 154,985.76
  4. Step 4: Simplify right side
    314,799.84x = 73,130,982,468.57
  5. Step 5: Solve for x
    x = 73,130,982,468.57/314,799.84
  6. Step 6: Final answer
    x = 232,309.47

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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.