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Finding the Fourth Proportional to 500,065.04, 750,325.28 and 211,955.64

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Solution

The fourth proportional to 500,065.04, 750,325.28 and 211,955.64 is: 318,029.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,065.04 : 750,325.28 = 211,955.64 : x
  2. Step 2: Convert to fraction form
    500,065.04/750,325.28 = 211,955.64/x
  3. Step 3: Cross multiply
    500,065.04x = 750,325.28 × 211,955.64
  4. Step 4: Simplify right side
    500,065.04x = 159,035,677,479.35
  5. Step 5: Solve for x
    x = 159,035,677,479.35/500,065.04
  6. Step 6: Final answer
    x = 318,029.98

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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.