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Finding the Fourth Proportional to 243,888.04, 336,525.06 and 143,305.48

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Solution

The fourth proportional to 243,888.04, 336,525.06 and 143,305.48 is: 197,737.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,888.04 : 336,525.06 = 143,305.48 : x
  2. Step 2: Convert to fraction form
    243,888.04/336,525.06 = 143,305.48/x
  3. Step 3: Cross multiply
    243,888.04x = 336,525.06 × 143,305.48
  4. Step 4: Simplify right side
    243,888.04x = 48,225,885,255.33
  5. Step 5: Solve for x
    x = 48,225,885,255.33/243,888.04
  6. Step 6: Final answer
    x = 197,737.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.