Finding the Fourth Proportional to 219,495.84, 302,988.24 and 134,728.08
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Solution
The fourth proportional to 219,495.84, 302,988.24 and 134,728.08 is: 185,976.30
Step by Step Solution
- Step 1: Write the proportion equation
219,495.84 : 302,988.24 = 134,728.08 : x - Step 2: Convert to fraction form
219,495.84/302,988.24 = 134,728.08/x - Step 3: Cross multiply
219,495.84x = 302,988.24 × 134,728.08 - Step 4: Simplify right side
219,495.84x = 40,821,023,837.78 - Step 5: Solve for x
x = 40,821,023,837.78/219,495.84 - Step 6: Final answer
x = 185,976.30
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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.