Home / 253,317-349,547.07-145,921.95

Finding the Fourth Proportional to 253,317, 349,547.07 and 145,921.95

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Solution

The fourth proportional to 253,317, 349,547.07 and 145,921.95 is: 201,354.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,317 : 349,547.07 = 145,921.95 : x
  2. Step 2: Convert to fraction form
    253,317/349,547.07 = 145,921.95/x
  3. Step 3: Cross multiply
    253,317x = 349,547.07 × 145,921.95
  4. Step 4: Simplify right side
    253,317x = 51,006,590,071.19
  5. Step 5: Solve for x
    x = 51,006,590,071.19/253,317
  6. Step 6: Final answer
    x = 201,354.78

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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.