Home / 369,273.42-555,066.45-243,720.63

Finding the Fourth Proportional to 369,273.42, 555,066.45 and 243,720.63

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Solution

The fourth proportional to 369,273.42, 555,066.45 and 243,720.63 is: 366,344.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,273.42 : 555,066.45 = 243,720.63 : x
  2. Step 2: Convert to fraction form
    369,273.42/555,066.45 = 243,720.63/x
  3. Step 3: Cross multiply
    369,273.42x = 555,066.45 × 243,720.63
  4. Step 4: Simplify right side
    369,273.42x = 135,281,144,885.86
  5. Step 5: Solve for x
    x = 135,281,144,885.86/369,273.42
  6. Step 6: Final answer
    x = 366,344.12

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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.