Home / 374,189.85-563,811.59-309,088.53

Finding the Fourth Proportional to 374,189.85, 563,811.59 and 309,088.53

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Solution

The fourth proportional to 374,189.85, 563,811.59 and 309,088.53 is: 465,720.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,189.85 : 563,811.59 = 309,088.53 : x
  2. Step 2: Convert to fraction form
    374,189.85/563,811.59 = 309,088.53/x
  3. Step 3: Cross multiply
    374,189.85x = 563,811.59 × 309,088.53
  4. Step 4: Simplify right side
    374,189.85x = 174,267,696,322.78
  5. Step 5: Solve for x
    x = 174,267,696,322.78/374,189.85
  6. Step 6: Final answer
    x = 465,720.00

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.