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Finding the Fourth Proportional to 342,219.33, 513,416.48 and 142,473.33

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Solution

The fourth proportional to 342,219.33, 513,416.48 and 142,473.33 is: 213,746.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,219.33 : 513,416.48 = 142,473.33 : x
  2. Step 2: Convert to fraction form
    342,219.33/513,416.48 = 142,473.33/x
  3. Step 3: Cross multiply
    342,219.33x = 513,416.48 × 142,473.33
  4. Step 4: Simplify right side
    342,219.33x = 73,148,154,870.11
  5. Step 5: Solve for x
    x = 73,148,154,870.11/342,219.33
  6. Step 6: Final answer
    x = 213,746.41

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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.