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Finding the Fourth Proportional to 304,000.60, 456,000.90 and 297,779.80

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Solution

The fourth proportional to 304,000.60, 456,000.90 and 297,779.80 is: 446,669.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,000.60 : 456,000.90 = 297,779.80 : x
  2. Step 2: Convert to fraction form
    304,000.60/456,000.90 = 297,779.80/x
  3. Step 3: Cross multiply
    304,000.60x = 456,000.90 × 297,779.80
  4. Step 4: Simplify right side
    304,000.60x = 135,787,856,801.82
  5. Step 5: Solve for x
    x = 135,787,856,801.82/304,000.60
  6. Step 6: Final answer
    x = 446,669.70

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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.