Finding the Fourth Proportional to 440,772.48, 661,155.98 and 212,802.10
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Solution
The fourth proportional to 440,772.48, 661,155.98 and 212,802.10 is: 319,201.82
Step by Step Solution
- Step 1: Write the proportion equation
440,772.48 : 661,155.98 = 212,802.10 : x - Step 2: Convert to fraction form
440,772.48/661,155.98 = 212,802.10/x - Step 3: Cross multiply
440,772.48x = 661,155.98 × 212,802.10 - Step 4: Simplify right side
440,772.48x = 140,695,378,254.66 - Step 5: Solve for x
x = 140,695,378,254.66/440,772.48 - Step 6: Final answer
x = 319,201.82
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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.