Finding the Fourth Proportional to 359,116.47, 495,582.23 and 197,967.99
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Solution
The fourth proportional to 359,116.47, 495,582.23 and 197,967.99 is: 273,196.65
Step by Step Solution
- Step 1: Write the proportion equation
359,116.47 : 495,582.23 = 197,967.99 : x - Step 2: Convert to fraction form
359,116.47/495,582.23 = 197,967.99/x - Step 3: Cross multiply
359,116.47x = 495,582.23 × 197,967.99 - Step 4: Simplify right side
359,116.47x = 98,109,417,952.82 - Step 5: Solve for x
x = 98,109,417,952.82/359,116.47 - Step 6: Final answer
x = 273,196.65
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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.