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Finding the Fourth Proportional to 282,745.60, 424,118.40 and 156,774.40

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Solution

The fourth proportional to 282,745.60, 424,118.40 and 156,774.40 is: 235,161.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,745.60 : 424,118.40 = 156,774.40 : x
  2. Step 2: Convert to fraction form
    282,745.60/424,118.40 = 156,774.40/x
  3. Step 3: Cross multiply
    282,745.60x = 424,118.40 × 156,774.40
  4. Step 4: Simplify right side
    282,745.60x = 66,490,907,688.96
  5. Step 5: Solve for x
    x = 66,490,907,688.96/282,745.60
  6. Step 6: Final answer
    x = 235,161.60

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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.