Finding the Fourth Proportional to 454,663.68, 681,922.05 and 214,777.08
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Solution
The fourth proportional to 454,663.68, 681,922.05 and 214,777.08 is: 322,130.91
Step by Step Solution
- Step 1: Write the proportion equation
454,663.68 : 681,922.05 = 214,777.08 : x - Step 2: Convert to fraction form
454,663.68/681,922.05 = 214,777.08/x - Step 3: Cross multiply
454,663.68x = 681,922.05 × 214,777.08 - Step 4: Simplify right side
454,663.68x = 146,461,226,686.61 - Step 5: Solve for x
x = 146,461,226,686.61/454,663.68 - Step 6: Final answer
x = 322,130.91
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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.