Finding the Fourth Proportional to 346,671.70, 478,398.36 and 193,700.50
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Solution
The fourth proportional to 346,671.70, 478,398.36 and 193,700.50 is: 267,301.89
Step by Step Solution
- Step 1: Write the proportion equation
346,671.70 : 478,398.36 = 193,700.50 : x - Step 2: Convert to fraction form
346,671.70/478,398.36 = 193,700.50/x - Step 3: Cross multiply
346,671.70x = 478,398.36 × 193,700.50 - Step 4: Simplify right side
346,671.70x = 92,666,001,531.18 - Step 5: Solve for x
x = 92,666,001,531.18/346,671.70 - Step 6: Final answer
x = 267,301.89
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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.