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Finding the Fourth Proportional to 301,780.80, 452,152.80 and 159,415.20

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Solution

The fourth proportional to 301,780.80, 452,152.80 and 159,415.20 is: 238,848.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,780.80 : 452,152.80 = 159,415.20 : x
  2. Step 2: Convert to fraction form
    301,780.80/452,152.80 = 159,415.20/x
  3. Step 3: Cross multiply
    301,780.80x = 452,152.80 × 159,415.20
  4. Step 4: Simplify right side
    301,780.80x = 72,080,029,042.56
  5. Step 5: Solve for x
    x = 72,080,029,042.56/301,780.80
  6. Step 6: Final answer
    x = 238,848.96

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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.