Finding the Fourth Proportional to 443,495.17, 612,023.20 and 239,545.99
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Solution
The fourth proportional to 443,495.17, 612,023.20 and 239,545.99 is: 330,573.39
Step by Step Solution
- Step 1: Write the proportion equation
443,495.17 : 612,023.20 = 239,545.99 : x - Step 2: Convert to fraction form
443,495.17/612,023.20 = 239,545.99/x - Step 3: Cross multiply
443,495.17x = 612,023.20 × 239,545.99 - Step 4: Simplify right side
443,495.17x = 146,607,703,346.97 - Step 5: Solve for x
x = 146,607,703,346.97/443,495.17 - Step 6: Final answer
x = 330,573.39
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1.5x scale
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.