Home / 425,320.60-637,827.30-214,888.60

Finding the Fourth Proportional to 425,320.60, 637,827.30 and 214,888.60

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Solution

The fourth proportional to 425,320.60, 637,827.30 and 214,888.60 is: 322,255.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,320.60 : 637,827.30 = 214,888.60 : x
  2. Step 2: Convert to fraction form
    425,320.60/637,827.30 = 214,888.60/x
  3. Step 3: Cross multiply
    425,320.60x = 637,827.30 × 214,888.60
  4. Step 4: Simplify right side
    425,320.60x = 137,061,815,538.78
  5. Step 5: Solve for x
    x = 137,061,815,538.78/425,320.60
  6. Step 6: Final answer
    x = 322,255.30

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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.