Finding the Fourth Proportional to 356,024.79, 491,314.95 and 194,890.14
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Solution
The fourth proportional to 356,024.79, 491,314.95 and 194,890.14 is: 268,948.80
Step by Step Solution
- Step 1: Write the proportion equation
356,024.79 : 491,314.95 = 194,890.14 : x - Step 2: Convert to fraction form
356,024.79/491,314.95 = 194,890.14/x - Step 3: Cross multiply
356,024.79x = 491,314.95 × 194,890.14 - Step 4: Simplify right side
356,024.79x = 95,752,439,389.59 - Step 5: Solve for x
x = 95,752,439,389.59/356,024.79 - Step 6: Final answer
x = 268,948.80
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1.5x scale
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.