Home / 370,916.55-556,368.78-118,193.65

Finding the Fourth Proportional to 370,916.55, 556,368.78 and 118,193.65

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Solution

The fourth proportional to 370,916.55, 556,368.78 and 118,193.65 is: 177,288.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,916.55 : 556,368.78 = 118,193.65 : x
  2. Step 2: Convert to fraction form
    370,916.55/556,368.78 = 118,193.65/x
  3. Step 3: Cross multiply
    370,916.55x = 556,368.78 × 118,193.65
  4. Step 4: Simplify right side
    370,916.55x = 65,759,255,906.55
  5. Step 5: Solve for x
    x = 65,759,255,906.55/370,916.55
  6. Step 6: Final answer
    x = 177,288.55

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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.