Home / 591,279.60-886,746.60-212,156.40

Finding the Fourth Proportional to 591,279.60, 886,746.60 and 212,156.40

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Solution

The fourth proportional to 591,279.60, 886,746.60 and 212,156.40 is: 318,172.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,279.60 : 886,746.60 = 212,156.40 : x
  2. Step 2: Convert to fraction form
    591,279.60/886,746.60 = 212,156.40/x
  3. Step 3: Cross multiply
    591,279.60x = 886,746.60 × 212,156.40
  4. Step 4: Simplify right side
    591,279.60x = 188,128,966,368.24
  5. Step 5: Solve for x
    x = 188,128,966,368.24/591,279.60
  6. Step 6: Final answer
    x = 318,172.60

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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.