Finding the Fourth Proportional to 230,742.84, 318,301.74 and 159,158.28
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Solution
The fourth proportional to 230,742.84, 318,301.74 and 159,158.28 is: 219,553.32
Step by Step Solution
- Step 1: Write the proportion equation
230,742.84 : 318,301.74 = 159,158.28 : x - Step 2: Convert to fraction form
230,742.84/318,301.74 = 159,158.28/x - Step 3: Cross multiply
230,742.84x = 318,301.74 × 159,158.28 - Step 4: Simplify right side
230,742.84x = 50,660,357,459.41 - Step 5: Solve for x
x = 50,660,357,459.41/230,742.84 - Step 6: Final answer
x = 219,553.32
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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.