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Finding the Fourth Proportional to 369,601.04, 510,043.56 and 208,456.40

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Solution

The fourth proportional to 369,601.04, 510,043.56 and 208,456.40 is: 287,666.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,601.04 : 510,043.56 = 208,456.40 : x
  2. Step 2: Convert to fraction form
    369,601.04/510,043.56 = 208,456.40/x
  3. Step 3: Cross multiply
    369,601.04x = 510,043.56 × 208,456.40
  4. Step 4: Simplify right side
    369,601.04x = 106,321,844,360.78
  5. Step 5: Solve for x
    x = 106,321,844,360.78/369,601.04
  6. Step 6: Final answer
    x = 287,666.52

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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.