Home / 259,228.02-388,492.08-134,656.50

Finding the Fourth Proportional to 259,228.02, 388,492.08 and 134,656.50

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Solution

The fourth proportional to 259,228.02, 388,492.08 and 134,656.50 is: 201,802.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,228.02 : 388,492.08 = 134,656.50 : x
  2. Step 2: Convert to fraction form
    259,228.02/388,492.08 = 134,656.50/x
  3. Step 3: Cross multiply
    259,228.02x = 388,492.08 × 134,656.50
  4. Step 4: Simplify right side
    259,228.02x = 52,312,983,770.52
  5. Step 5: Solve for x
    x = 52,312,983,770.52/259,228.02
  6. Step 6: Final answer
    x = 201,802.97

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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.