Finding the Fourth Proportional to 101,492.49, 152,197.11 and 30,390.08
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Solution
The fourth proportional to 101,492.49, 152,197.11 and 30,390.08 is: 45,572.65
Step by Step Solution
- Step 1: Write the proportion equation
101,492.49 : 152,197.11 = 30,390.08 : x - Step 2: Convert to fraction form
101,492.49/152,197.11 = 30,390.08/x - Step 3: Cross multiply
101,492.49x = 152,197.11 × 30,390.08 - Step 4: Simplify right side
101,492.49x = 4,625,281,587.68 - Step 5: Solve for x
x = 4,625,281,587.68/101,492.49 - Step 6: Final answer
x = 45,572.65
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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.