Finding the Fourth Proportional to 145,277.14, 200,460.63 and 81,602.74
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Solution
The fourth proportional to 145,277.14, 200,460.63 and 81,602.74 is: 112,599.52
Step by Step Solution
- Step 1: Write the proportion equation
145,277.14 : 200,460.63 = 81,602.74 : x - Step 2: Convert to fraction form
145,277.14/200,460.63 = 81,602.74/x - Step 3: Cross multiply
145,277.14x = 200,460.63 × 81,602.74 - Step 4: Simplify right side
145,277.14x = 16,358,136,670.13 - Step 5: Solve for x
x = 16,358,136,670.13/145,277.14 - Step 6: Final answer
x = 112,599.52
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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.