Home / 280,525.02-387,125.94-153,200.60

Finding the Fourth Proportional to 280,525.02, 387,125.94 and 153,200.60

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Solution

The fourth proportional to 280,525.02, 387,125.94 and 153,200.60 is: 211,417.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,525.02 : 387,125.94 = 153,200.60 : x
  2. Step 2: Convert to fraction form
    280,525.02/387,125.94 = 153,200.60/x
  3. Step 3: Cross multiply
    280,525.02x = 387,125.94 × 153,200.60
  4. Step 4: Simplify right side
    280,525.02x = 59,307,926,283.56
  5. Step 5: Solve for x
    x = 59,307,926,283.56/280,525.02
  6. Step 6: Final answer
    x = 211,417.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.