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Finding the Fourth Proportional to 366,478.14, 549,333.54 and 153,368.15

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Solution

The fourth proportional to 366,478.14, 549,333.54 and 153,368.15 is: 229,891.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,478.14 : 549,333.54 = 153,368.15 : x
  2. Step 2: Convert to fraction form
    366,478.14/549,333.54 = 153,368.15/x
  3. Step 3: Cross multiply
    366,478.14x = 549,333.54 × 153,368.15
  4. Step 4: Simplify right side
    366,478.14x = 84,250,270,136.08
  5. Step 5: Solve for x
    x = 84,250,270,136.08/366,478.14
  6. Step 6: Final answer
    x = 229,891.67

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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.