Finding the Fourth Proportional to 342,052.47, 513,154.44 and 117,407.88
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Solution
The fourth proportional to 342,052.47, 513,154.44 and 117,407.88 is: 176,137.82
Step by Step Solution
- Step 1: Write the proportion equation
342,052.47 : 513,154.44 = 117,407.88 : x - Step 2: Convert to fraction form
342,052.47/513,154.44 = 117,407.88/x - Step 3: Cross multiply
342,052.47x = 513,154.44 × 117,407.88 - Step 4: Simplify right side
342,052.47x = 60,248,374,912.99 - Step 5: Solve for x
x = 60,248,374,912.99/342,052.47 - Step 6: Final answer
x = 176,137.82
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.