Home / 342,869.40-513,319.95-210,009.15

Finding the Fourth Proportional to 342,869.40, 513,319.95 and 210,009.15

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Solution

The fourth proportional to 342,869.40, 513,319.95 and 210,009.15 is: 314,410.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,869.40 : 513,319.95 = 210,009.15 : x
  2. Step 2: Convert to fraction form
    342,869.40/513,319.95 = 210,009.15/x
  3. Step 3: Cross multiply
    342,869.40x = 513,319.95 × 210,009.15
  4. Step 4: Simplify right side
    342,869.40x = 107,801,886,377.54
  5. Step 5: Solve for x
    x = 107,801,886,377.54/342,869.40
  6. Step 6: Final answer
    x = 314,410.93

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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.