Finding the Fourth Proportional to 242,460.98, 334,572.14 and 135,040.99
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Solution
The fourth proportional to 242,460.98, 334,572.14 and 135,040.99 is: 186,343.18
Step by Step Solution
- Step 1: Write the proportion equation
242,460.98 : 334,572.14 = 135,040.99 : x - Step 2: Convert to fraction form
242,460.98/334,572.14 = 135,040.99/x - Step 3: Cross multiply
242,460.98x = 334,572.14 × 135,040.99 - Step 4: Simplify right side
242,460.98x = 45,180,950,663.95 - Step 5: Solve for x
x = 45,180,950,663.95/242,460.98 - Step 6: Final answer
x = 186,343.18
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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.