Home / 355,012.80-531,966.24-223,408.32

Finding the Fourth Proportional to 355,012.80, 531,966.24 and 223,408.32

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Solution

The fourth proportional to 355,012.80, 531,966.24 and 223,408.32 is: 334,764.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,012.80 : 531,966.24 = 223,408.32 : x
  2. Step 2: Convert to fraction form
    355,012.80/531,966.24 = 223,408.32/x
  3. Step 3: Cross multiply
    355,012.80x = 531,966.24 × 223,408.32
  4. Step 4: Simplify right side
    355,012.80x = 118,845,683,975.12
  5. Step 5: Solve for x
    x = 118,845,683,975.12/355,012.80
  6. Step 6: Final answer
    x = 334,764.50

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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.