Finding the Fourth Proportional to 242,458.98, 334,569.38 and 135,038.99
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Solution
The fourth proportional to 242,458.98, 334,569.38 and 135,038.99 is: 186,340.42
Step by Step Solution
- Step 1: Write the proportion equation
242,458.98 : 334,569.38 = 135,038.99 : x - Step 2: Convert to fraction form
242,458.98/334,569.38 = 135,038.99/x - Step 3: Cross multiply
242,458.98x = 334,569.38 × 135,038.99 - Step 4: Simplify right side
242,458.98x = 45,179,908,812.08 - Step 5: Solve for x
x = 45,179,908,812.08/242,458.98 - Step 6: Final answer
x = 186,340.42
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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.