Finding the Fourth Proportional to 253,430.47, 379,502.82 and 152,165.99
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Solution
The fourth proportional to 253,430.47, 379,502.82 and 152,165.99 is: 227,862.98
Step by Step Solution
- Step 1: Write the proportion equation
253,430.47 : 379,502.82 = 152,165.99 : x - Step 2: Convert to fraction form
253,430.47/379,502.82 = 152,165.99/x - Step 3: Cross multiply
253,430.47x = 379,502.82 × 152,165.99 - Step 4: Simplify right side
253,430.47x = 57,747,423,261.85 - Step 5: Solve for x
x = 57,747,423,261.85/253,430.47 - Step 6: Final answer
x = 227,862.98
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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.