Home / 372,458.04-513,956.54-209,077.16

Finding the Fourth Proportional to 372,458.04, 513,956.54 and 209,077.16

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Solution

The fourth proportional to 372,458.04, 513,956.54 and 209,077.16 is: 288,506.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,458.04 : 513,956.54 = 209,077.16 : x
  2. Step 2: Convert to fraction form
    372,458.04/513,956.54 = 209,077.16/x
  3. Step 3: Cross multiply
    372,458.04x = 513,956.54 × 209,077.16
  4. Step 4: Simplify right side
    372,458.04x = 107,456,573,746.63
  5. Step 5: Solve for x
    x = 107,456,573,746.63/372,458.04
  6. Step 6: Final answer
    x = 288,506.52

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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.