Home / 287,384.24-396,602.48-160,059.84

Finding the Fourth Proportional to 287,384.24, 396,602.48 and 160,059.84

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Solution

The fourth proportional to 287,384.24, 396,602.48 and 160,059.84 is: 220,889.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,384.24 : 396,602.48 = 160,059.84 : x
  2. Step 2: Convert to fraction form
    287,384.24/396,602.48 = 160,059.84/x
  3. Step 3: Cross multiply
    287,384.24x = 396,602.48 × 160,059.84
  4. Step 4: Simplify right side
    287,384.24x = 63,480,129,492.40
  5. Step 5: Solve for x
    x = 63,480,129,492.40/287,384.24
  6. Step 6: Final answer
    x = 220,889.39

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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.