Home / 296,800.26-445,346.55-139,001.46

Finding the Fourth Proportional to 296,800.26, 445,346.55 and 139,001.46

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Solution

The fourth proportional to 296,800.26, 445,346.55 and 139,001.46 is: 208,570.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,800.26 : 445,346.55 = 139,001.46 : x
  2. Step 2: Convert to fraction form
    296,800.26/445,346.55 = 139,001.46/x
  3. Step 3: Cross multiply
    296,800.26x = 445,346.55 × 139,001.46
  4. Step 4: Simplify right side
    296,800.26x = 61,903,820,655.96
  5. Step 5: Solve for x
    x = 61,903,820,655.96/296,800.26
  6. Step 6: Final answer
    x = 208,570.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.