Home / 420,342.90-630,467.73-150,460.26

Finding the Fourth Proportional to 420,342.90, 630,467.73 and 150,460.26

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Solution

The fourth proportional to 420,342.90, 630,467.73 and 150,460.26 is: 225,673.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    420,342.90 : 630,467.73 = 150,460.26 : x
  2. Step 2: Convert to fraction form
    420,342.90/630,467.73 = 150,460.26/x
  3. Step 3: Cross multiply
    420,342.90x = 630,467.73 × 150,460.26
  4. Step 4: Simplify right side
    420,342.90x = 94,860,338,577.41
  5. Step 5: Solve for x
    x = 94,860,338,577.41/420,342.90
  6. Step 6: Final answer
    x = 225,673.70

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1.5x scale

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.