Finding the Fourth Proportional to 113,569.55, 156,723.90 and 62,586.98
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Solution
The fourth proportional to 113,569.55, 156,723.90 and 62,586.98 is: 86,368.88
Step by Step Solution
- Step 1: Write the proportion equation
113,569.55 : 156,723.90 = 62,586.98 : x - Step 2: Convert to fraction form
113,569.55/156,723.90 = 62,586.98/x - Step 3: Cross multiply
113,569.55x = 156,723.90 × 62,586.98 - Step 4: Simplify right side
113,569.55x = 9,808,874,811.20 - Step 5: Solve for x
x = 9,808,874,811.20/113,569.55 - Step 6: Final answer
x = 86,368.88
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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.