Home / 370,424.08-554,053.74-309,262.60

Finding the Fourth Proportional to 370,424.08, 554,053.74 and 309,262.60

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Solution

The fourth proportional to 370,424.08, 554,053.74 and 309,262.60 is: 462,572.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,424.08 : 554,053.74 = 309,262.60 : x
  2. Step 2: Convert to fraction form
    370,424.08/554,053.74 = 309,262.60/x
  3. Step 3: Cross multiply
    370,424.08x = 554,053.74 × 309,262.60
  4. Step 4: Simplify right side
    370,424.08x = 171,348,100,172.12
  5. Step 5: Solve for x
    x = 171,348,100,172.12/370,424.08
  6. Step 6: Final answer
    x = 462,572.79

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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.