Home / 318,746.23-439,853.10-175,478.59

Finding the Fourth Proportional to 318,746.23, 439,853.10 and 175,478.59

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Solution

The fourth proportional to 318,746.23, 439,853.10 and 175,478.59 is: 242,151.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,746.23 : 439,853.10 = 175,478.59 : x
  2. Step 2: Convert to fraction form
    318,746.23/439,853.10 = 175,478.59/x
  3. Step 3: Cross multiply
    318,746.23x = 439,853.10 × 175,478.59
  4. Step 4: Simplify right side
    318,746.23x = 77,184,801,795.13
  5. Step 5: Solve for x
    x = 77,184,801,795.13/318,746.23
  6. Step 6: Final answer
    x = 242,151.26

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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.