Finding the Fourth Proportional to 339,052.50, 508,566.47 and 102,389.13
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Solution
The fourth proportional to 339,052.50, 508,566.47 and 102,389.13 is: 153,579.99
Step by Step Solution
- Step 1: Write the proportion equation
339,052.50 : 508,566.47 = 102,389.13 : x - Step 2: Convert to fraction form
339,052.50/508,566.47 = 102,389.13/x - Step 3: Cross multiply
339,052.50x = 508,566.47 × 102,389.13 - Step 4: Simplify right side
339,052.50x = 52,071,677,898.53 - Step 5: Solve for x
x = 52,071,677,898.53/339,052.50 - Step 6: Final answer
x = 153,579.99
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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.