Home / 218,802.08-328,173.95-61,017.32

Finding the Fourth Proportional to 218,802.08, 328,173.95 and 61,017.32

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Solution

The fourth proportional to 218,802.08, 328,173.95 and 61,017.32 is: 91,517.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,802.08 : 328,173.95 = 61,017.32 : x
  2. Step 2: Convert to fraction form
    218,802.08/328,173.95 = 61,017.32/x
  3. Step 3: Cross multiply
    218,802.08x = 328,173.95 × 61,017.32
  4. Step 4: Simplify right side
    218,802.08x = 20,024,293,434.49
  5. Step 5: Solve for x
    x = 20,024,293,434.49/218,802.08
  6. Step 6: Final answer
    x = 91,517.84

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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.