Home / 340,929.96-511,312.90-104,274.68

Finding the Fourth Proportional to 340,929.96, 511,312.90 and 104,274.68

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Solution

The fourth proportional to 340,929.96, 511,312.90 and 104,274.68 is: 156,386.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,929.96 : 511,312.90 = 104,274.68 : x
  2. Step 2: Convert to fraction form
    340,929.96/511,312.90 = 104,274.68/x
  3. Step 3: Cross multiply
    340,929.96x = 511,312.90 × 104,274.68
  4. Step 4: Simplify right side
    340,929.96x = 53,316,989,027.37
  5. Step 5: Solve for x
    x = 53,316,989,027.37/340,929.96
  6. Step 6: Final answer
    x = 156,386.93

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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.