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Finding the Fourth Proportional to 203,006.40, 304,509.60 and 62,779.20

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Solution

The fourth proportional to 203,006.40, 304,509.60 and 62,779.20 is: 94,168.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,006.40 : 304,509.60 = 62,779.20 : x
  2. Step 2: Convert to fraction form
    203,006.40/304,509.60 = 62,779.20/x
  3. Step 3: Cross multiply
    203,006.40x = 304,509.60 × 62,779.20
  4. Step 4: Simplify right side
    203,006.40x = 19,116,869,080.32
  5. Step 5: Solve for x
    x = 19,116,869,080.32/203,006.40
  6. Step 6: Final answer
    x = 94,168.80

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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.