Home / 369,784.55-510,326.75-208,580.78

Finding the Fourth Proportional to 369,784.55, 510,326.75 and 208,580.78

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Solution

The fourth proportional to 369,784.55, 510,326.75 and 208,580.78 is: 287,855.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,784.55 : 510,326.75 = 208,580.78 : x
  2. Step 2: Convert to fraction form
    369,784.55/510,326.75 = 208,580.78/x
  3. Step 3: Cross multiply
    369,784.55x = 510,326.75 × 208,580.78
  4. Step 4: Simplify right side
    369,784.55x = 106,444,353,367.13
  5. Step 5: Solve for x
    x = 106,444,353,367.13/369,784.55
  6. Step 6: Final answer
    x = 287,855.06

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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.