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Finding the Fourth Proportional to 292,510.30, 438,016.38 and 202,428.28

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Solution

The fourth proportional to 292,510.30, 438,016.38 and 202,428.28 is: 303,124.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,510.30 : 438,016.38 = 202,428.28 : x
  2. Step 2: Convert to fraction form
    292,510.30/438,016.38 = 202,428.28/x
  3. Step 3: Cross multiply
    292,510.30x = 438,016.38 × 202,428.28
  4. Step 4: Simplify right side
    292,510.30x = 88,666,902,415.23
  5. Step 5: Solve for x
    x = 88,666,902,415.23/292,510.30
  6. Step 6: Final answer
    x = 303,124.04

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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.