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Finding the Fourth Proportional to 304,548.60, 456,822.90 and 210,070.20

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Solution

The fourth proportional to 304,548.60, 456,822.90 and 210,070.20 is: 315,105.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,548.60 : 456,822.90 = 210,070.20 : x
  2. Step 2: Convert to fraction form
    304,548.60/456,822.90 = 210,070.20/x
  3. Step 3: Cross multiply
    304,548.60x = 456,822.90 × 210,070.20
  4. Step 4: Simplify right side
    304,548.60x = 95,964,877,967.58
  5. Step 5: Solve for x
    x = 95,964,877,967.58/304,548.60
  6. Step 6: Final answer
    x = 315,105.30

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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.