Home / 334,336.45-501,502.93-81,618.28

Finding the Fourth Proportional to 334,336.45, 501,502.93 and 81,618.28

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Solution

The fourth proportional to 334,336.45, 501,502.93 and 81,618.28 is: 122,426.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,336.45 : 501,502.93 = 81,618.28 : x
  2. Step 2: Convert to fraction form
    334,336.45/501,502.93 = 81,618.28/x
  3. Step 3: Cross multiply
    334,336.45x = 501,502.93 × 81,618.28
  4. Step 4: Simplify right side
    334,336.45x = 40,931,806,561.56
  5. Step 5: Solve for x
    x = 40,931,806,561.56/334,336.45
  6. Step 6: Final answer
    x = 122,426.99

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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.