Finding the Fourth Proportional to 147,587.29, 221,396.76 and 40,971.70
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Solution
The fourth proportional to 147,587.29, 221,396.76 and 40,971.70 is: 61,461.94
Step by Step Solution
- Step 1: Write the proportion equation
147,587.29 : 221,396.76 = 40,971.70 : x - Step 2: Convert to fraction form
147,587.29/221,396.76 = 40,971.70/x - Step 3: Cross multiply
147,587.29x = 221,396.76 × 40,971.70 - Step 4: Simplify right side
147,587.29x = 9,071,001,631.69 - Step 5: Solve for x
x = 9,071,001,631.69/147,587.29 - Step 6: Final answer
x = 61,461.94
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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.