Home / 742,141.33-1,113,258.17-209,703.22

Finding the Fourth Proportional to 742,141.33, 1,113,258.17 and 209,703.22

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Solution

The fourth proportional to 742,141.33, 1,113,258.17 and 209,703.22 is: 314,567.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,141.33 : 1,113,258.17 = 209,703.22 : x
  2. Step 2: Convert to fraction form
    742,141.33/1,113,258.17 = 209,703.22/x
  3. Step 3: Cross multiply
    742,141.33x = 1,113,258.17 × 209,703.22
  4. Step 4: Simplify right side
    742,141.33x = 233,453,822,940.31
  5. Step 5: Solve for x
    x = 233,453,822,940.31/742,141.33
  6. Step 6: Final answer
    x = 314,567.88

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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.