Finding the Fourth Proportional to 190,857.20, 286,285.80 and 97,545.20
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Solution
The fourth proportional to 190,857.20, 286,285.80 and 97,545.20 is: 146,317.80
Step by Step Solution
- Step 1: Write the proportion equation
190,857.20 : 286,285.80 = 97,545.20 : x - Step 2: Convert to fraction form
190,857.20/286,285.80 = 97,545.20/x - Step 3: Cross multiply
190,857.20x = 286,285.80 × 97,545.20 - Step 4: Simplify right side
190,857.20x = 27,925,805,618.16 - Step 5: Solve for x
x = 27,925,805,618.16/190,857.20 - Step 6: Final answer
x = 146,317.80
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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.