Home / 380,299.06-524,807.53-208,214.83

Finding the Fourth Proportional to 380,299.06, 524,807.53 and 208,214.83

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Solution

The fourth proportional to 380,299.06, 524,807.53 and 208,214.83 is: 287,333.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,299.06 : 524,807.53 = 208,214.83 : x
  2. Step 2: Convert to fraction form
    380,299.06/524,807.53 = 208,214.83/x
  3. Step 3: Cross multiply
    380,299.06x = 524,807.53 × 208,214.83
  4. Step 4: Simplify right side
    380,299.06x = 109,272,710,641.67
  5. Step 5: Solve for x
    x = 109,272,710,641.67/380,299.06
  6. Step 6: Final answer
    x = 287,333.63

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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.