Finding the Fourth Proportional to 194,133.84, 268,066.44 and 130,681.68
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Solution
The fourth proportional to 194,133.84, 268,066.44 and 130,681.68 is: 180,449.59
Step by Step Solution
- Step 1: Write the proportion equation
194,133.84 : 268,066.44 = 130,681.68 : x - Step 2: Convert to fraction form
194,133.84/268,066.44 = 130,681.68/x - Step 3: Cross multiply
194,133.84x = 268,066.44 × 130,681.68 - Step 4: Simplify right side
194,133.84x = 35,031,372,730.82 - Step 5: Solve for x
x = 35,031,372,730.82/194,133.84 - Step 6: Final answer
x = 180,449.59
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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.