Finding the Fourth Proportional to 499,998.79, 750,071.94 and 144,966.70
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Solution
The fourth proportional to 499,998.79, 750,071.94 and 144,966.70 is: 217,471.43
Step by Step Solution
- Step 1: Write the proportion equation
499,998.79 : 750,071.94 = 144,966.70 : x - Step 2: Convert to fraction form
499,998.79/750,071.94 = 144,966.70/x - Step 3: Cross multiply
499,998.79x = 750,071.94 × 144,966.70 - Step 4: Simplify right side
499,998.79x = 108,735,453,904.40 - Step 5: Solve for x
x = 108,735,453,904.40/499,998.79 - Step 6: Final answer
x = 217,471.43
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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.