Finding the Fourth Proportional to 353,020.57, 487,171.62 and 191,875.99
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Solution
The fourth proportional to 353,020.57, 487,171.62 and 191,875.99 is: 264,790.62
Step by Step Solution
- Step 1: Write the proportion equation
353,020.57 : 487,171.62 = 191,875.99 : x - Step 2: Convert to fraction form
353,020.57/487,171.62 = 191,875.99/x - Step 3: Cross multiply
353,020.57x = 487,171.62 × 191,875.99 - Step 4: Simplify right side
353,020.57x = 93,476,536,887.40 - Step 5: Solve for x
x = 93,476,536,887.40/353,020.57 - Step 6: Final answer
x = 264,790.62
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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.