Home / 370,879.09-511,810.59-201,113.23

Finding the Fourth Proportional to 370,879.09, 511,810.59 and 201,113.23

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Solution

The fourth proportional to 370,879.09, 511,810.59 and 201,113.23 is: 277,534.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,879.09 : 511,810.59 = 201,113.23 : x
  2. Step 2: Convert to fraction form
    370,879.09/511,810.59 = 201,113.23/x
  3. Step 3: Cross multiply
    370,879.09x = 511,810.59 × 201,113.23
  4. Step 4: Simplify right side
    370,879.09x = 102,931,880,903.11
  5. Step 5: Solve for x
    x = 102,931,880,903.11/370,879.09
  6. Step 6: Final answer
    x = 277,534.87

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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.