Home / 259,386.21-357,953.60-144,672.28

Finding the Fourth Proportional to 259,386.21, 357,953.60 and 144,672.28

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Solution

The fourth proportional to 259,386.21, 357,953.60 and 144,672.28 is: 199,648.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,386.21 : 357,953.60 = 144,672.28 : x
  2. Step 2: Convert to fraction form
    259,386.21/357,953.60 = 144,672.28/x
  3. Step 3: Cross multiply
    259,386.21x = 357,953.60 × 144,672.28
  4. Step 4: Simplify right side
    259,386.21x = 51,785,962,913.00
  5. Step 5: Solve for x
    x = 51,785,962,913.00/259,386.21
  6. Step 6: Final answer
    x = 199,648.10

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1.5x scale

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.