Home / 318,300.64-439,255.04-175,070.40

Finding the Fourth Proportional to 318,300.64, 439,255.04 and 175,070.40

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Solution

The fourth proportional to 318,300.64, 439,255.04 and 175,070.40 is: 241,597.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,300.64 : 439,255.04 = 175,070.40 : x
  2. Step 2: Convert to fraction form
    318,300.64/439,255.04 = 175,070.40/x
  3. Step 3: Cross multiply
    318,300.64x = 439,255.04 × 175,070.40
  4. Step 4: Simplify right side
    318,300.64x = 76,900,555,554.82
  5. Step 5: Solve for x
    x = 76,900,555,554.82/318,300.64
  6. Step 6: Final answer
    x = 241,597.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.