Finding the Fourth Proportional to 492,354.65, 738,610.85 and 208,047.99
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Solution
The fourth proportional to 492,354.65, 738,610.85 and 208,047.99 is: 312,105.32
Step by Step Solution
- Step 1: Write the proportion equation
492,354.65 : 738,610.85 = 208,047.99 : x - Step 2: Convert to fraction form
492,354.65/738,610.85 = 208,047.99/x - Step 3: Cross multiply
492,354.65x = 738,610.85 × 208,047.99 - Step 4: Simplify right side
492,354.65x = 153,666,506,024.60 - Step 5: Solve for x
x = 153,666,506,024.60/492,354.65 - Step 6: Final answer
x = 312,105.32
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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.