Home / 742,430.68-1,113,636.30-181,470.04

Finding the Fourth Proportional to 742,430.68, 1,113,636.30 and 181,470.04

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Solution

The fourth proportional to 742,430.68, 1,113,636.30 and 181,470.04 is: 272,202.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,430.68 : 1,113,636.30 = 181,470.04 : x
  2. Step 2: Convert to fraction form
    742,430.68/1,113,636.30 = 181,470.04/x
  3. Step 3: Cross multiply
    742,430.68x = 1,113,636.30 × 181,470.04
  4. Step 4: Simplify right side
    742,430.68x = 202,091,623,906.45
  5. Step 5: Solve for x
    x = 202,091,623,906.45/742,430.68
  6. Step 6: Final answer
    x = 272,202.68

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1.5x scale

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.