Finding the Fourth Proportional to 353,277.47, 487,518.19 and 192,129.05
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Solution
The fourth proportional to 353,277.47, 487,518.19 and 192,129.05 is: 265,135.52
Step by Step Solution
- Step 1: Write the proportion equation
353,277.47 : 487,518.19 = 192,129.05 : x - Step 2: Convert to fraction form
353,277.47/487,518.19 = 192,129.05/x - Step 3: Cross multiply
353,277.47x = 487,518.19 × 192,129.05 - Step 4: Simplify right side
353,277.47x = 93,666,406,702.42 - Step 5: Solve for x
x = 93,666,406,702.42/353,277.47 - Step 6: Final answer
x = 265,135.52
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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.