Finding the Fourth Proportional to 649,277.70, 973,916.55 and 176,021.70
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Solution
The fourth proportional to 649,277.70, 973,916.55 and 176,021.70 is: 264,032.55
Step by Step Solution
- Step 1: Write the proportion equation
649,277.70 : 973,916.55 = 176,021.70 : x - Step 2: Convert to fraction form
649,277.70/973,916.55 = 176,021.70/x - Step 3: Cross multiply
649,277.70x = 973,916.55 × 176,021.70 - Step 4: Simplify right side
649,277.70x = 171,430,446,789.14 - Step 5: Solve for x
x = 171,430,446,789.14/649,277.70 - Step 6: Final answer
x = 264,032.55
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Similar ratio
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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.