Home / 289,984.40-434,458.20-237,107.60

Finding the Fourth Proportional to 289,984.40, 434,458.20 and 237,107.60

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Solution

The fourth proportional to 289,984.40, 434,458.20 and 237,107.60 is: 355,237.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,984.40 : 434,458.20 = 237,107.60 : x
  2. Step 2: Convert to fraction form
    289,984.40/434,458.20 = 237,107.60/x
  3. Step 3: Cross multiply
    289,984.40x = 434,458.20 × 237,107.60
  4. Step 4: Simplify right side
    289,984.40x = 103,013,341,102.32
  5. Step 5: Solve for x
    x = 103,013,341,102.32/289,984.40
  6. Step 6: Final answer
    x = 355,237.53

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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.