Home / 340,938.28-511,427.93-104,283.01

Finding the Fourth Proportional to 340,938.28, 511,427.93 and 104,283.01

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Solution

The fourth proportional to 340,938.28, 511,427.93 and 104,283.01 is: 156,430.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,938.28 : 511,427.93 = 104,283.01 : x
  2. Step 2: Convert to fraction form
    340,938.28/511,427.93 = 104,283.01/x
  3. Step 3: Cross multiply
    340,938.28x = 511,427.93 × 104,283.01
  4. Step 4: Simplify right side
    340,938.28x = 53,333,244,056.34
  5. Step 5: Solve for x
    x = 53,333,244,056.34/340,938.28
  6. Step 6: Final answer
    x = 156,430.79

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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.