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Finding the Fourth Proportional to 366,484.50, 549,095.58 and 286,491.30

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Solution

The fourth proportional to 366,484.50, 549,095.58 and 286,491.30 is: 429,243.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,484.50 : 549,095.58 = 286,491.30 : x
  2. Step 2: Convert to fraction form
    366,484.50/549,095.58 = 286,491.30/x
  3. Step 3: Cross multiply
    366,484.50x = 549,095.58 × 286,491.30
  4. Step 4: Simplify right side
    366,484.50x = 157,311,106,538.45
  5. Step 5: Solve for x
    x = 157,311,106,538.45/366,484.50
  6. Step 6: Final answer
    x = 429,243.55

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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.