Finding the Fourth Proportional to 328,897.19, 453,878.13 and 177,994.19
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Solution
The fourth proportional to 328,897.19, 453,878.13 and 177,994.19 is: 245,631.98
Step by Step Solution
- Step 1: Write the proportion equation
328,897.19 : 453,878.13 = 177,994.19 : x - Step 2: Convert to fraction form
328,897.19/453,878.13 = 177,994.19/x - Step 3: Cross multiply
328,897.19x = 453,878.13 × 177,994.19 - Step 4: Simplify right side
328,897.19x = 80,787,667,838.67 - Step 5: Solve for x
x = 80,787,667,838.67/328,897.19 - Step 6: Final answer
x = 245,631.98
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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.