Finding the Fourth Proportional to 360,392.54, 497,352.08 and 199,257.99
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Solution
The fourth proportional to 360,392.54, 497,352.08 and 199,257.99 is: 274,981.76
Step by Step Solution
- Step 1: Write the proportion equation
360,392.54 : 497,352.08 = 199,257.99 : x - Step 2: Convert to fraction form
360,392.54/497,352.08 = 199,257.99/x - Step 3: Cross multiply
360,392.54x = 497,352.08 × 199,257.99 - Step 4: Simplify right side
360,392.54x = 99,101,373,296.36 - Step 5: Solve for x
x = 99,101,373,296.36/360,392.54 - Step 6: Final answer
x = 274,981.76
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.