Home / 312,025.20-468,037.80-170,307.60

Finding the Fourth Proportional to 312,025.20, 468,037.80 and 170,307.60

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Solution

The fourth proportional to 312,025.20, 468,037.80 and 170,307.60 is: 255,461.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,025.20 : 468,037.80 = 170,307.60 : x
  2. Step 2: Convert to fraction form
    312,025.20/468,037.80 = 170,307.60/x
  3. Step 3: Cross multiply
    312,025.20x = 468,037.80 × 170,307.60
  4. Step 4: Simplify right side
    312,025.20x = 79,710,394,427.28
  5. Step 5: Solve for x
    x = 79,710,394,427.28/312,025.20
  6. Step 6: Final answer
    x = 255,461.40

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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.