Home / 253,685.07-349,288.74-215,365.23

Finding the Fourth Proportional to 253,685.07, 349,288.74 and 215,365.23

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Solution

The fourth proportional to 253,685.07, 349,288.74 and 215,365.23 is: 296,527.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,685.07 : 349,288.74 = 215,365.23 : x
  2. Step 2: Convert to fraction form
    253,685.07/349,288.74 = 215,365.23/x
  3. Step 3: Cross multiply
    253,685.07x = 349,288.74 × 215,365.23
  4. Step 4: Simplify right side
    253,685.07x = 75,224,649,826.51
  5. Step 5: Solve for x
    x = 75,224,649,826.51/253,685.07
  6. Step 6: Final answer
    x = 296,527.70

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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.