Finding the Fourth Proportional to 134,792.55, 202,312.95 and 68,278.98
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Solution
The fourth proportional to 134,792.55, 202,312.95 and 68,278.98 is: 102,481.35
Step by Step Solution
- Step 1: Write the proportion equation
134,792.55 : 202,312.95 = 68,278.98 : x - Step 2: Convert to fraction form
134,792.55/202,312.95 = 68,278.98/x - Step 3: Cross multiply
134,792.55x = 202,312.95 × 68,278.98 - Step 4: Simplify right side
134,792.55x = 13,813,721,866.79 - Step 5: Solve for x
x = 13,813,721,866.79/134,792.55 - Step 6: Final answer
x = 102,481.35
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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.