Home / 229,075.20-343,638.40-71,302.40

Finding the Fourth Proportional to 229,075.20, 343,638.40 and 71,302.40

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Solution

The fourth proportional to 229,075.20, 343,638.40 and 71,302.40 is: 106,961.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,075.20 : 343,638.40 = 71,302.40 : x
  2. Step 2: Convert to fraction form
    229,075.20/343,638.40 = 71,302.40/x
  3. Step 3: Cross multiply
    229,075.20x = 343,638.40 × 71,302.40
  4. Step 4: Simplify right side
    229,075.20x = 24,502,242,652.16
  5. Step 5: Solve for x
    x = 24,502,242,652.16/229,075.20
  6. Step 6: Final answer
    x = 106,961.57

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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.