Finding the Fourth Proportional to 363,946.98, 545,913.99 and 153,586.74
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Solution
The fourth proportional to 363,946.98, 545,913.99 and 153,586.74 is: 230,377.38
Step by Step Solution
- Step 1: Write the proportion equation
363,946.98 : 545,913.99 = 153,586.74 : x - Step 2: Convert to fraction form
363,946.98/545,913.99 = 153,586.74/x - Step 3: Cross multiply
363,946.98x = 545,913.99 × 153,586.74 - Step 4: Simplify right side
363,946.98x = 83,845,150,044.49 - Step 5: Solve for x
x = 83,845,150,044.49/363,946.98 - Step 6: Final answer
x = 230,377.38
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1.5x scale
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.