Finding the Fourth Proportional to 299,315.10, 448,972.65 and 277,663.80
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Solution
The fourth proportional to 299,315.10, 448,972.65 and 277,663.80 is: 416,495.70
Step by Step Solution
- Step 1: Write the proportion equation
299,315.10 : 448,972.65 = 277,663.80 : x - Step 2: Convert to fraction form
299,315.10/448,972.65 = 277,663.80/x - Step 3: Cross multiply
299,315.10x = 448,972.65 × 277,663.80 - Step 4: Simplify right side
299,315.10x = 124,663,452,095.07 - Step 5: Solve for x
x = 124,663,452,095.07/299,315.10 - Step 6: Final answer
x = 416,495.70
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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.