Home / 292,574.28-438,619.50-134,669.64

Finding the Fourth Proportional to 292,574.28, 438,619.50 and 134,669.64

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Solution

The fourth proportional to 292,574.28, 438,619.50 and 134,669.64 is: 201,893.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,574.28 : 438,619.50 = 134,669.64 : x
  2. Step 2: Convert to fraction form
    292,574.28/438,619.50 = 134,669.64/x
  3. Step 3: Cross multiply
    292,574.28x = 438,619.50 × 134,669.64
  4. Step 4: Simplify right side
    292,574.28x = 59,068,730,161.98
  5. Step 5: Solve for x
    x = 59,068,730,161.98/292,574.28
  6. Step 6: Final answer
    x = 201,893.11

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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.