Home / 314,038.32-471,136.40-100,825.31

Finding the Fourth Proportional to 314,038.32, 471,136.40 and 100,825.31

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Solution

The fourth proportional to 314,038.32, 471,136.40 and 100,825.31 is: 151,263.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,038.32 : 471,136.40 = 100,825.31 : x
  2. Step 2: Convert to fraction form
    314,038.32/471,136.40 = 100,825.31/x
  3. Step 3: Cross multiply
    314,038.32x = 471,136.40 × 100,825.31
  4. Step 4: Simplify right side
    314,038.32x = 47,502,471,983.95
  5. Step 5: Solve for x
    x = 47,502,471,983.95/314,038.32
  6. Step 6: Final answer
    x = 151,263.30

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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.