Finding the Fourth Proportional to 403,449.45, 605,174.18 and 235,159.80
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Solution
The fourth proportional to 403,449.45, 605,174.18 and 235,159.80 is: 352,739.70
Step by Step Solution
- Step 1: Write the proportion equation
403,449.45 : 605,174.18 = 235,159.80 : x - Step 2: Convert to fraction form
403,449.45/605,174.18 = 235,159.80/x - Step 3: Cross multiply
403,449.45x = 605,174.18 × 235,159.80 - Step 4: Simplify right side
403,449.45x = 142,312,637,958.17 - Step 5: Solve for x
x = 142,312,637,958.17/403,449.45 - Step 6: Final answer
x = 352,739.70
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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.