Home / 630,034.02-945,054.45-156,719.39

Finding the Fourth Proportional to 630,034.02, 945,054.45 and 156,719.39

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Solution

The fourth proportional to 630,034.02, 945,054.45 and 156,719.39 is: 235,079.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,034.02 : 945,054.45 = 156,719.39 : x
  2. Step 2: Convert to fraction form
    630,034.02/945,054.45 = 156,719.39/x
  3. Step 3: Cross multiply
    630,034.02x = 945,054.45 × 156,719.39
  4. Step 4: Simplify right side
    630,034.02x = 148,108,352,195.51
  5. Step 5: Solve for x
    x = 148,108,352,195.51/630,034.02
  6. Step 6: Final answer
    x = 235,079.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.