Finding the Fourth Proportional to 97,184.21, 145,818.43 and 47,307.65
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Solution
The fourth proportional to 97,184.21, 145,818.43 and 47,307.65 is: 70,981.97
Step by Step Solution
- Step 1: Write the proportion equation
97,184.21 : 145,818.43 = 47,307.65 : x - Step 2: Convert to fraction form
97,184.21/145,818.43 = 47,307.65/x - Step 3: Cross multiply
97,184.21x = 145,818.43 × 47,307.65 - Step 4: Simplify right side
97,184.21x = 6,898,326,402.63 - Step 5: Solve for x
x = 6,898,326,402.63/97,184.21 - Step 6: Final answer
x = 70,981.97
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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.