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Finding the Fourth Proportional to 364,403.66, 502,656.57 and 235,139.81

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Solution

The fourth proportional to 364,403.66, 502,656.57 and 235,139.81 is: 324,350.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,403.66 : 502,656.57 = 235,139.81 : x
  2. Step 2: Convert to fraction form
    364,403.66/502,656.57 = 235,139.81/x
  3. Step 3: Cross multiply
    364,403.66x = 502,656.57 × 235,139.81
  4. Step 4: Simplify right side
    364,403.66x = 118,194,567,851.77
  5. Step 5: Solve for x
    x = 118,194,567,851.77/364,403.66
  6. Step 6: Final answer
    x = 324,350.67

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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.