Home / 248,730.47-343,303.45-158,068.76

Finding the Fourth Proportional to 248,730.47, 343,303.45 and 158,068.76

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Solution

The fourth proportional to 248,730.47, 343,303.45 and 158,068.76 is: 218,170.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,730.47 : 343,303.45 = 158,068.76 : x
  2. Step 2: Convert to fraction form
    248,730.47/343,303.45 = 158,068.76/x
  3. Step 3: Cross multiply
    248,730.47x = 343,303.45 × 158,068.76
  4. Step 4: Simplify right side
    248,730.47x = 54,265,548,533.53
  5. Step 5: Solve for x
    x = 54,265,548,533.53/248,730.47
  6. Step 6: Final answer
    x = 218,170.09

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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.