Home / 456,422.04-684,624.54-136,574.10

Finding the Fourth Proportional to 456,422.04, 684,624.54 and 136,574.10

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Solution

The fourth proportional to 456,422.04, 684,624.54 and 136,574.10 is: 204,858.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,422.04 : 684,624.54 = 136,574.10 : x
  2. Step 2: Convert to fraction form
    456,422.04/684,624.54 = 136,574.10/x
  3. Step 3: Cross multiply
    456,422.04x = 684,624.54 × 136,574.10
  4. Step 4: Simplify right side
    456,422.04x = 93,501,980,388.41
  5. Step 5: Solve for x
    x = 93,501,980,388.41/456,422.04
  6. Step 6: Final answer
    x = 204,858.60

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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.