Finding the Fourth Proportional to 424,258.93, 636,221.62 and 154,322.99
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Solution
The fourth proportional to 424,258.93, 636,221.62 and 154,322.99 is: 231,423.82
Step by Step Solution
- Step 1: Write the proportion equation
424,258.93 : 636,221.62 = 154,322.99 : x - Step 2: Convert to fraction form
424,258.93/636,221.62 = 154,322.99/x - Step 3: Cross multiply
424,258.93x = 636,221.62 × 154,322.99 - Step 4: Simplify right side
424,258.93x = 98,183,622,098.67 - Step 5: Solve for x
x = 98,183,622,098.67/424,258.93 - Step 6: Final answer
x = 231,423.82
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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.