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Finding the Fourth Proportional to 329,713.30, 494,569.95 and 310,030.30

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Solution

The fourth proportional to 329,713.30, 494,569.95 and 310,030.30 is: 465,045.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,713.30 : 494,569.95 = 310,030.30 : x
  2. Step 2: Convert to fraction form
    329,713.30/494,569.95 = 310,030.30/x
  3. Step 3: Cross multiply
    329,713.30x = 494,569.95 × 310,030.30
  4. Step 4: Simplify right side
    329,713.30x = 153,331,669,969.49
  5. Step 5: Solve for x
    x = 153,331,669,969.49/329,713.30
  6. Step 6: Final answer
    x = 465,045.45

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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.