Home / 348,182.28-522,312.44-312,423.75

Finding the Fourth Proportional to 348,182.28, 522,312.44 and 312,423.75

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Solution

The fourth proportional to 348,182.28, 522,312.44 and 312,423.75 is: 468,670.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,182.28 : 522,312.44 = 312,423.75 : x
  2. Step 2: Convert to fraction form
    348,182.28/522,312.44 = 312,423.75/x
  3. Step 3: Cross multiply
    348,182.28x = 522,312.44 × 312,423.75
  4. Step 4: Simplify right side
    348,182.28x = 163,182,809,614.33
  5. Step 5: Solve for x
    x = 163,182,809,614.33/348,182.28
  6. Step 6: Final answer
    x = 468,670.63

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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.