Finding the Fourth Proportional to 355,641.58, 490,792.54 and 194,506.99
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Solution
The fourth proportional to 355,641.58, 490,792.54 and 194,506.99 is: 268,423.56
Step by Step Solution
- Step 1: Write the proportion equation
355,641.58 : 490,792.54 = 194,506.99 : x - Step 2: Convert to fraction form
355,641.58/490,792.54 = 194,506.99/x - Step 3: Cross multiply
355,641.58x = 490,792.54 × 194,506.99 - Step 4: Simplify right side
355,641.58x = 95,462,579,669.85 - Step 5: Solve for x
x = 95,462,579,669.85/355,641.58 - Step 6: Final answer
x = 268,423.56
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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.