Finding the Fourth Proportional to 432,098.21, 596,206.49 and 248,301.28
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Solution
The fourth proportional to 432,098.21, 596,206.49 and 248,301.28 is: 342,604.60
Step by Step Solution
- Step 1: Write the proportion equation
432,098.21 : 596,206.49 = 248,301.28 : x - Step 2: Convert to fraction form
432,098.21/596,206.49 = 248,301.28/x - Step 3: Cross multiply
432,098.21x = 596,206.49 × 248,301.28 - Step 4: Simplify right side
432,098.21x = 148,038,835,511.75 - Step 5: Solve for x
x = 148,038,835,511.75/432,098.21 - Step 6: Final answer
x = 342,604.60
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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.