Home / 875,150.40-1,312,725.60-210,302.40

Finding the Fourth Proportional to 875,150.40, 1,312,725.60 and 210,302.40

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Solution

The fourth proportional to 875,150.40, 1,312,725.60 and 210,302.40 is: 315,453.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,150.40 : 1,312,725.60 = 210,302.40 : x
  2. Step 2: Convert to fraction form
    875,150.40/1,312,725.60 = 210,302.40/x
  3. Step 3: Cross multiply
    875,150.40x = 1,312,725.60 × 210,302.40
  4. Step 4: Simplify right side
    875,150.40x = 276,069,344,221.44
  5. Step 5: Solve for x
    x = 276,069,344,221.44/875,150.40
  6. Step 6: Final answer
    x = 315,453.60

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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.