Finding the Fourth Proportional to 329,478.60, 454,703.58 and 186,239.82
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Solution
The fourth proportional to 329,478.60, 454,703.58 and 186,239.82 is: 257,024.02
Step by Step Solution
- Step 1: Write the proportion equation
329,478.60 : 454,703.58 = 186,239.82 : x - Step 2: Convert to fraction form
329,478.60/454,703.58 = 186,239.82/x - Step 3: Cross multiply
329,478.60x = 454,703.58 × 186,239.82 - Step 4: Simplify right side
329,478.60x = 84,683,912,892.56 - Step 5: Solve for x
x = 84,683,912,892.56/329,478.60 - Step 6: Final answer
x = 257,024.02
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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.