Finding the Fourth Proportional to 155,113.80, 232,670.70 and 101,969.70
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Solution
The fourth proportional to 155,113.80, 232,670.70 and 101,969.70 is: 152,954.55
Step by Step Solution
- Step 1: Write the proportion equation
155,113.80 : 232,670.70 = 101,969.70 : x - Step 2: Convert to fraction form
155,113.80/232,670.70 = 101,969.70/x - Step 3: Cross multiply
155,113.80x = 232,670.70 × 101,969.70 - Step 4: Simplify right side
155,113.80x = 23,725,361,477.79 - Step 5: Solve for x
x = 23,725,361,477.79/155,113.80 - Step 6: Final answer
x = 152,954.55
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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.