Home / 369,621.52-510,077-208,476.08

Finding the Fourth Proportional to 369,621.52, 510,077 and 208,476.08

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Solution

The fourth proportional to 369,621.52, 510,077 and 208,476.08 is: 287,696.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,621.52 : 510,077 = 208,476.08 : x
  2. Step 2: Convert to fraction form
    369,621.52/510,077 = 208,476.08/x
  3. Step 3: Cross multiply
    369,621.52x = 510,077 × 208,476.08
  4. Step 4: Simplify right side
    369,621.52x = 106,338,853,458.16
  5. Step 5: Solve for x
    x = 106,338,853,458.16/369,621.52
  6. Step 6: Final answer
    x = 287,696.60

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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.