Finding the Fourth Proportional to 304,437.18, 420,112.97 and 168,476.85
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Solution
The fourth proportional to 304,437.18, 420,112.97 and 168,476.85 is: 232,492.33
Step by Step Solution
- Step 1: Write the proportion equation
304,437.18 : 420,112.97 = 168,476.85 : x - Step 2: Convert to fraction form
304,437.18/420,112.97 = 168,476.85/x - Step 3: Cross multiply
304,437.18x = 420,112.97 × 168,476.85 - Step 4: Simplify right side
304,437.18x = 70,779,309,829.74 - Step 5: Solve for x
x = 70,779,309,829.74/304,437.18 - Step 6: Final answer
x = 232,492.33
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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.