Home / 340,678.38-511,090.47-104,038.50

Finding the Fourth Proportional to 340,678.38, 511,090.47 and 104,038.50

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Solution

The fourth proportional to 340,678.38, 511,090.47 and 104,038.50 is: 156,080.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,678.38 : 511,090.47 = 104,038.50 : x
  2. Step 2: Convert to fraction form
    340,678.38/511,090.47 = 104,038.50/x
  3. Step 3: Cross multiply
    340,678.38x = 511,090.47 × 104,038.50
  4. Step 4: Simplify right side
    340,678.38x = 53,173,085,863.10
  5. Step 5: Solve for x
    x = 53,173,085,863.10/340,678.38
  6. Step 6: Final answer
    x = 156,080.01

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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.