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Finding the Fourth Proportional to 360,303.52, 540,271.66 and 120,331.10

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Solution

The fourth proportional to 360,303.52, 540,271.66 and 120,331.10 is: 180,435.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,303.52 : 540,271.66 = 120,331.10 : x
  2. Step 2: Convert to fraction form
    360,303.52/540,271.66 = 120,331.10/x
  3. Step 3: Cross multiply
    360,303.52x = 540,271.66 × 120,331.10
  4. Step 4: Simplify right side
    360,303.52x = 65,011,483,146.63
  5. Step 5: Solve for x
    x = 65,011,483,146.63/360,303.52
  6. Step 6: Final answer
    x = 180,435.33

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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.