Home / 292,637.06-438,923.64-198,472.16

Finding the Fourth Proportional to 292,637.06, 438,923.64 and 198,472.16

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Solution

The fourth proportional to 292,637.06, 438,923.64 and 198,472.16 is: 297,686.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,637.06 : 438,923.64 = 198,472.16 : x
  2. Step 2: Convert to fraction form
    292,637.06/438,923.64 = 198,472.16/x
  3. Step 3: Cross multiply
    292,637.06x = 438,923.64 × 198,472.16
  4. Step 4: Simplify right side
    292,637.06x = 87,114,122,905.86
  5. Step 5: Solve for x
    x = 87,114,122,905.86/292,637.06
  6. Step 6: Final answer
    x = 297,686.57

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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.