Home / 380,290.86-524,807.60-208,205.94

Finding the Fourth Proportional to 380,290.86, 524,807.60 and 208,205.94

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Solution

The fourth proportional to 380,290.86, 524,807.60 and 208,205.94 is: 287,327.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,290.86 : 524,807.60 = 208,205.94 : x
  2. Step 2: Convert to fraction form
    380,290.86/524,807.60 = 208,205.94/x
  3. Step 3: Cross multiply
    380,290.86x = 524,807.60 × 208,205.94
  4. Step 4: Simplify right side
    380,290.86x = 109,268,059,677.14
  5. Step 5: Solve for x
    x = 109,268,059,677.14/380,290.86
  6. Step 6: Final answer
    x = 287,327.60

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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.