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Finding the Fourth Proportional to 373,457.55, 559,398.60 and 253,588.08

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Solution

The fourth proportional to 373,457.55, 559,398.60 and 253,588.08 is: 379,847.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,457.55 : 559,398.60 = 253,588.08 : x
  2. Step 2: Convert to fraction form
    373,457.55/559,398.60 = 253,588.08/x
  3. Step 3: Cross multiply
    373,457.55x = 559,398.60 × 253,588.08
  4. Step 4: Simplify right side
    373,457.55x = 141,856,816,928.69
  5. Step 5: Solve for x
    x = 141,856,816,928.69/373,457.55
  6. Step 6: Final answer
    x = 379,847.23

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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.