Home / 370,360.16-511,094.64-209,267.36

Finding the Fourth Proportional to 370,360.16, 511,094.64 and 209,267.36

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Solution

The fourth proportional to 370,360.16, 511,094.64 and 209,267.36 is: 288,787.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,360.16 : 511,094.64 = 209,267.36 : x
  2. Step 2: Convert to fraction form
    370,360.16/511,094.64 = 209,267.36/x
  3. Step 3: Cross multiply
    370,360.16x = 511,094.64 × 209,267.36
  4. Step 4: Simplify right side
    370,360.16x = 106,955,426,022.95
  5. Step 5: Solve for x
    x = 106,955,426,022.95/370,360.16
  6. Step 6: Final answer
    x = 288,787.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.