Finding the Fourth Proportional to 190,306.05, 285,369.68 and 110,366.74
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Solution
The fourth proportional to 190,306.05, 285,369.68 and 110,366.74 is: 165,498.26
Step by Step Solution
- Step 1: Write the proportion equation
190,306.05 : 285,369.68 = 110,366.74 : x - Step 2: Convert to fraction form
190,306.05/285,369.68 = 110,366.74/x - Step 3: Cross multiply
190,306.05x = 285,369.68 × 110,366.74 - Step 4: Simplify right side
190,306.05x = 31,495,319,683.05 - Step 5: Solve for x
x = 31,495,319,683.05/190,306.05 - Step 6: Final answer
x = 165,498.26
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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.