Finding the Fourth Proportional to 190,925.80, 286,388.70 and 97,613.80
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Solution
The fourth proportional to 190,925.80, 286,388.70 and 97,613.80 is: 146,420.70
Step by Step Solution
- Step 1: Write the proportion equation
190,925.80 : 286,388.70 = 97,613.80 : x - Step 2: Convert to fraction form
190,925.80/286,388.70 = 97,613.80/x - Step 3: Cross multiply
190,925.80x = 286,388.70 × 97,613.80 - Step 4: Simplify right side
190,925.80x = 27,955,489,284.06 - Step 5: Solve for x
x = 27,955,489,284.06/190,925.80 - Step 6: Final answer
x = 146,420.70
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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.