Home / 343,023.55-514,442.37-143,302.15

Finding the Fourth Proportional to 343,023.55, 514,442.37 and 143,302.15

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Solution

The fourth proportional to 343,023.55, 514,442.37 and 143,302.15 is: 214,914.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,023.55 : 514,442.37 = 143,302.15 : x
  2. Step 2: Convert to fraction form
    343,023.55/514,442.37 = 143,302.15/x
  3. Step 3: Cross multiply
    343,023.55x = 514,442.37 × 143,302.15
  4. Step 4: Simplify right side
    343,023.55x = 73,720,697,672.10
  5. Step 5: Solve for x
    x = 73,720,697,672.10/343,023.55
  6. Step 6: Final answer
    x = 214,914.39

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1.5x scale

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.