Home / 342,821.60-514,232.40-143,075.60

Finding the Fourth Proportional to 342,821.60, 514,232.40 and 143,075.60

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Solution

The fourth proportional to 342,821.60, 514,232.40 and 143,075.60 is: 214,613.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,821.60 : 514,232.40 = 143,075.60 : x
  2. Step 2: Convert to fraction form
    342,821.60/514,232.40 = 143,075.60/x
  3. Step 3: Cross multiply
    342,821.60x = 514,232.40 × 143,075.60
  4. Step 4: Simplify right side
    342,821.60x = 73,574,109,169.44
  5. Step 5: Solve for x
    x = 73,574,109,169.44/342,821.60
  6. Step 6: Final answer
    x = 214,613.40

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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.