Home / 370,710.12-556,108.36-134,164.20

Finding the Fourth Proportional to 370,710.12, 556,108.36 and 134,164.20

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Solution

The fourth proportional to 370,710.12, 556,108.36 and 134,164.20 is: 201,261.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,710.12 : 556,108.36 = 134,164.20 : x
  2. Step 2: Convert to fraction form
    370,710.12/556,108.36 = 134,164.20/x
  3. Step 3: Cross multiply
    370,710.12x = 556,108.36 × 134,164.20
  4. Step 4: Simplify right side
    370,710.12x = 74,609,833,232.71
  5. Step 5: Solve for x
    x = 74,609,833,232.71/370,710.12
  6. Step 6: Final answer
    x = 201,261.93

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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.