Finding the Fourth Proportional to 342,934.98, 473,245.14 and 189,972.71
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Solution
The fourth proportional to 342,934.98, 473,245.14 and 189,972.71 is: 262,159.50
Step by Step Solution
- Step 1: Write the proportion equation
342,934.98 : 473,245.14 = 189,972.71 : x - Step 2: Convert to fraction form
342,934.98/473,245.14 = 189,972.71/x - Step 3: Cross multiply
342,934.98x = 473,245.14 × 189,972.71 - Step 4: Simplify right side
342,934.98x = 89,903,661,740.13 - Step 5: Solve for x
x = 89,903,661,740.13/342,934.98 - Step 6: Final answer
x = 262,159.50
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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.