Home / 369,927.60-510,501.80-208,789.44

Finding the Fourth Proportional to 369,927.60, 510,501.80 and 208,789.44

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Solution

The fourth proportional to 369,927.60, 510,501.80 and 208,789.44 is: 288,130.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,927.60 : 510,501.80 = 208,789.44 : x
  2. Step 2: Convert to fraction form
    369,927.60/510,501.80 = 208,789.44/x
  3. Step 3: Cross multiply
    369,927.60x = 510,501.80 × 208,789.44
  4. Step 4: Simplify right side
    369,927.60x = 106,587,384,940.99
  5. Step 5: Solve for x
    x = 106,587,384,940.99/369,927.60
  6. Step 6: Final answer
    x = 288,130.39

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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.