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Finding the Fourth Proportional to 307,511.04, 460,929.60 and 120,316.80

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Solution

The fourth proportional to 307,511.04, 460,929.60 and 120,316.80 is: 180,343.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,511.04 : 460,929.60 = 120,316.80 : x
  2. Step 2: Convert to fraction form
    307,511.04/460,929.60 = 120,316.80/x
  3. Step 3: Cross multiply
    307,511.04x = 460,929.60 × 120,316.80
  4. Step 4: Simplify right side
    307,511.04x = 55,457,574,497.28
  5. Step 5: Solve for x
    x = 55,457,574,497.28/307,511.04
  6. Step 6: Final answer
    x = 180,343.36

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1.5x scale

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.