Finding the Fourth Proportional to 152,258.57, 210,110.20 and 84,271.49
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Solution
The fourth proportional to 152,258.57, 210,110.20 and 84,271.49 is: 116,290.99
Step by Step Solution
- Step 1: Write the proportion equation
152,258.57 : 210,110.20 = 84,271.49 : x - Step 2: Convert to fraction form
152,258.57/210,110.20 = 84,271.49/x - Step 3: Cross multiply
152,258.57x = 210,110.20 × 84,271.49 - Step 4: Simplify right side
152,258.57x = 17,706,299,618.91 - Step 5: Solve for x
x = 17,706,299,618.91/152,258.57 - Step 6: Final answer
x = 116,290.99
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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.