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Finding the Fourth Proportional to 310,047.55, 464,638.28 and 167,585.76

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Solution

The fourth proportional to 310,047.55, 464,638.28 and 167,585.76 is: 251,144.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,047.55 : 464,638.28 = 167,585.76 : x
  2. Step 2: Convert to fraction form
    310,047.55/464,638.28 = 167,585.76/x
  3. Step 3: Cross multiply
    310,047.55x = 464,638.28 × 167,585.76
  4. Step 4: Simplify right side
    310,047.55x = 77,866,758,440.96
  5. Step 5: Solve for x
    x = 77,866,758,440.96/310,047.55
  6. Step 6: Final answer
    x = 251,144.57

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1.5x scale

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.