Finding the Fourth Proportional to 472,784.20, 652,526.82 and 281,809.96
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Solution
The fourth proportional to 472,784.20, 652,526.82 and 281,809.96 is: 388,948.19
Step by Step Solution
- Step 1: Write the proportion equation
472,784.20 : 652,526.82 = 281,809.96 : x - Step 2: Convert to fraction form
472,784.20/652,526.82 = 281,809.96/x - Step 3: Cross multiply
472,784.20x = 652,526.82 × 281,809.96 - Step 4: Simplify right side
472,784.20x = 183,888,557,043.13 - Step 5: Solve for x
x = 183,888,557,043.13/472,784.20 - Step 6: Final answer
x = 388,948.19
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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.