Home / 228,075.55-342,114.23-78,359.00

Finding the Fourth Proportional to 228,075.55, 342,114.23 and 78,359.00

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Solution

The fourth proportional to 228,075.55, 342,114.23 and 78,359.00 is: 117,538.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,075.55 : 342,114.23 = 78,359.00 : x
  2. Step 2: Convert to fraction form
    228,075.55/342,114.23 = 78,359.00/x
  3. Step 3: Cross multiply
    228,075.55x = 342,114.23 × 78,359.00
  4. Step 4: Simplify right side
    228,075.55x = 26,807,727,433.90
  5. Step 5: Solve for x
    x = 26,807,727,433.90/228,075.55
  6. Step 6: Final answer
    x = 117,538.81

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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.