Home / 236,443.04-354,718.02-78,677.72

Finding the Fourth Proportional to 236,443.04, 354,718.02 and 78,677.72

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Solution

The fourth proportional to 236,443.04, 354,718.02 and 78,677.72 is: 118,034.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,443.04 : 354,718.02 = 78,677.72 : x
  2. Step 2: Convert to fraction form
    236,443.04/354,718.02 = 78,677.72/x
  3. Step 3: Cross multiply
    236,443.04x = 354,718.02 × 78,677.72
  4. Step 4: Simplify right side
    236,443.04x = 27,908,405,056.51
  5. Step 5: Solve for x
    x = 27,908,405,056.51/236,443.04
  6. Step 6: Final answer
    x = 118,034.37

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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.