Home / 380,273.81-524,778.01-208,202.93

Finding the Fourth Proportional to 380,273.81, 524,778.01 and 208,202.93

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Solution

The fourth proportional to 380,273.81, 524,778.01 and 208,202.93 is: 287,320.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,273.81 : 524,778.01 = 208,202.93 : x
  2. Step 2: Convert to fraction form
    380,273.81/524,778.01 = 208,202.93/x
  3. Step 3: Cross multiply
    380,273.81x = 524,778.01 × 208,202.93
  4. Step 4: Simplify right side
    380,273.81x = 109,260,316,657.68
  5. Step 5: Solve for x
    x = 109,260,316,657.68/380,273.81
  6. Step 6: Final answer
    x = 287,320.12

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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.