Finding the Fourth Proportional to 114,374.10, 157,834.35 and 62,690.70
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Solution
The fourth proportional to 114,374.10, 157,834.35 and 62,690.70 is: 86,512.12
Step by Step Solution
- Step 1: Write the proportion equation
114,374.10 : 157,834.35 = 62,690.70 : x - Step 2: Convert to fraction form
114,374.10/157,834.35 = 62,690.70/x - Step 3: Cross multiply
114,374.10x = 157,834.35 × 62,690.70 - Step 4: Simplify right side
114,374.10x = 9,894,745,885.55 - Step 5: Solve for x
x = 9,894,745,885.55/114,374.10 - Step 6: Final answer
x = 86,512.12
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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.