Finding the Fourth Proportional to 387,538.08, 534,802.68 and 217,772.88
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Solution
The fourth proportional to 387,538.08, 534,802.68 and 217,772.88 is: 300,526.65
Step by Step Solution
- Step 1: Write the proportion equation
387,538.08 : 534,802.68 = 217,772.88 : x - Step 2: Convert to fraction form
387,538.08/534,802.68 = 217,772.88/x - Step 3: Cross multiply
387,538.08x = 534,802.68 × 217,772.88 - Step 4: Simplify right side
387,538.08x = 116,465,519,855.32 - Step 5: Solve for x
x = 116,465,519,855.32/387,538.08 - Step 6: Final answer
x = 300,526.65
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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.