Finding the Fourth Proportional to 516,737.36, 713,137.50 and 310,013.49
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Solution
The fourth proportional to 516,737.36, 713,137.50 and 310,013.49 is: 427,842.58
Step by Step Solution
- Step 1: Write the proportion equation
516,737.36 : 713,137.50 = 310,013.49 : x - Step 2: Convert to fraction form
516,737.36/713,137.50 = 310,013.49/x - Step 3: Cross multiply
516,737.36x = 713,137.50 × 310,013.49 - Step 4: Simplify right side
516,737.36x = 221,082,243,674.81 - Step 5: Solve for x
x = 221,082,243,674.81/516,737.36 - Step 6: Final answer
x = 427,842.58
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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.