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Finding the Fourth Proportional to 603,030.96, 904,136.04 and 203,482.80

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Solution

The fourth proportional to 603,030.96, 904,136.04 and 203,482.80 is: 305,085.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,030.96 : 904,136.04 = 203,482.80 : x
  2. Step 2: Convert to fraction form
    603,030.96/904,136.04 = 203,482.80/x
  3. Step 3: Cross multiply
    603,030.96x = 904,136.04 × 203,482.80
  4. Step 4: Simplify right side
    603,030.96x = 183,976,133,000.11
  5. Step 5: Solve for x
    x = 183,976,133,000.11/603,030.96
  6. Step 6: Final answer
    x = 305,085.72

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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.