Finding the Fourth Proportional to 304,201.80, 456,302.70 and 257,545.80
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Solution
The fourth proportional to 304,201.80, 456,302.70 and 257,545.80 is: 386,318.70
Step by Step Solution
- Step 1: Write the proportion equation
304,201.80 : 456,302.70 = 257,545.80 : x - Step 2: Convert to fraction form
304,201.80/456,302.70 = 257,545.80/x - Step 3: Cross multiply
304,201.80x = 456,302.70 × 257,545.80 - Step 4: Simplify right side
304,201.80x = 117,518,843,913.66 - Step 5: Solve for x
x = 117,518,843,913.66/304,201.80 - Step 6: Final answer
x = 386,318.70
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1.5x scale
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.