Finding the Fourth Proportional to 328,794.79, 453,702.17 and 190,946.81
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Solution
The fourth proportional to 328,794.79, 453,702.17 and 190,946.81 is: 263,486.48
Step by Step Solution
- Step 1: Write the proportion equation
328,794.79 : 453,702.17 = 190,946.81 : x - Step 2: Convert to fraction form
328,794.79/453,702.17 = 190,946.81/x - Step 3: Cross multiply
328,794.79x = 453,702.17 × 190,946.81 - Step 4: Simplify right side
328,794.79x = 86,632,983,663.20 - Step 5: Solve for x
x = 86,632,983,663.20/328,794.79 - Step 6: Final answer
x = 263,486.48
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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.