Finding the Fourth Proportional to 160,551.04, 221,572.98 and 88,937.92
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Solution
The fourth proportional to 160,551.04, 221,572.98 and 88,937.92 is: 122,741.28
Step by Step Solution
- Step 1: Write the proportion equation
160,551.04 : 221,572.98 = 88,937.92 : x - Step 2: Convert to fraction form
160,551.04/221,572.98 = 88,937.92/x - Step 3: Cross multiply
160,551.04x = 221,572.98 × 88,937.92 - Step 4: Simplify right side
160,551.04x = 19,706,239,969.40 - Step 5: Solve for x
x = 19,706,239,969.40/160,551.04 - Step 6: Final answer
x = 122,741.28
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1.5x scale
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.