Home / 374,429.10-561,643.65-214,996.80

Finding the Fourth Proportional to 374,429.10, 561,643.65 and 214,996.80

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Solution

The fourth proportional to 374,429.10, 561,643.65 and 214,996.80 is: 322,495.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,429.10 : 561,643.65 = 214,996.80 : x
  2. Step 2: Convert to fraction form
    374,429.10/561,643.65 = 214,996.80/x
  3. Step 3: Cross multiply
    374,429.10x = 561,643.65 × 214,996.80
  4. Step 4: Simplify right side
    374,429.10x = 120,751,587,490.32
  5. Step 5: Solve for x
    x = 120,751,587,490.32/374,429.10
  6. Step 6: Final answer
    x = 322,495.20

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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.