Home / 253,500.06-349,830.08-140,322.81

Finding the Fourth Proportional to 253,500.06, 349,830.08 and 140,322.81

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Solution

The fourth proportional to 253,500.06, 349,830.08 and 140,322.81 is: 193,645.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,500.06 : 349,830.08 = 140,322.81 : x
  2. Step 2: Convert to fraction form
    253,500.06/349,830.08 = 140,322.81/x
  3. Step 3: Cross multiply
    253,500.06x = 349,830.08 × 140,322.81
  4. Step 4: Simplify right side
    253,500.06x = 49,089,139,848.12
  5. Step 5: Solve for x
    x = 49,089,139,848.12/253,500.06
  6. Step 6: Final answer
    x = 193,645.48

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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.