Finding the Fourth Proportional to 343,424.70, 473,925.80 and 192,521.70
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Solution
The fourth proportional to 343,424.70, 473,925.80 and 192,521.70 is: 265,679.79
Step by Step Solution
- Step 1: Write the proportion equation
343,424.70 : 473,925.80 = 192,521.70 : x - Step 2: Convert to fraction form
343,424.70/473,925.80 = 192,521.70/x - Step 3: Cross multiply
343,424.70x = 473,925.80 × 192,521.70 - Step 4: Simplify right side
343,424.70x = 91,241,000,689.86 - Step 5: Solve for x
x = 91,241,000,689.86/343,424.70 - Step 6: Final answer
x = 265,679.79
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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.