Finding the Fourth Proportional to 353,295.36, 487,551.15 and 192,154.14
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Solution
The fourth proportional to 353,295.36, 487,551.15 and 192,154.14 is: 265,174.65
Step by Step Solution
- Step 1: Write the proportion equation
353,295.36 : 487,551.15 = 192,154.14 : x - Step 2: Convert to fraction form
353,295.36/487,551.15 = 192,154.14/x - Step 3: Cross multiply
353,295.36x = 487,551.15 × 192,154.14 - Step 4: Simplify right side
353,295.36x = 93,684,971,934.26 - Step 5: Solve for x
x = 93,684,971,934.26/353,295.36 - Step 6: Final answer
x = 265,174.65
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1.5x scale
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.