Finding the Fourth Proportional to 664,089.14, 996,261.70 and 214,921.46
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Solution
The fourth proportional to 664,089.14, 996,261.70 and 214,921.46 is: 322,423.61
Step by Step Solution
- Step 1: Write the proportion equation
664,089.14 : 996,261.70 = 214,921.46 : x - Step 2: Convert to fraction form
664,089.14/996,261.70 = 214,921.46/x - Step 3: Cross multiply
664,089.14x = 996,261.70 × 214,921.46 - Step 4: Simplify right side
664,089.14x = 214,118,019,106.08 - Step 5: Solve for x
x = 214,118,019,106.08/664,089.14 - Step 6: Final answer
x = 322,423.61
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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.