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Finding the Fourth Proportional to 540,361.60, 810,528.41 and 175,621.19

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Solution

The fourth proportional to 540,361.60, 810,528.41 and 175,621.19 is: 263,427.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,361.60 : 810,528.41 = 175,621.19 : x
  2. Step 2: Convert to fraction form
    540,361.60/810,528.41 = 175,621.19/x
  3. Step 3: Cross multiply
    540,361.60x = 810,528.41 × 175,621.19
  4. Step 4: Simplify right side
    540,361.60x = 142,345,960,279.42
  5. Step 5: Solve for x
    x = 142,345,960,279.42/540,361.60
  6. Step 6: Final answer
    x = 263,427.23

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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.