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Finding the Fourth Proportional to 298,801.60, 448,191.60 and 121,303.60

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Solution

The fourth proportional to 298,801.60, 448,191.60 and 121,303.60 is: 181,951.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,801.60 : 448,191.60 = 121,303.60 : x
  2. Step 2: Convert to fraction form
    298,801.60/448,191.60 = 121,303.60/x
  3. Step 3: Cross multiply
    298,801.60x = 448,191.60 × 121,303.60
  4. Step 4: Simplify right side
    298,801.60x = 54,367,254,569.76
  5. Step 5: Solve for x
    x = 54,367,254,569.76/298,801.60
  6. Step 6: Final answer
    x = 181,951.02

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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.