Finding the Fourth Proportional to 498,563.68, 688,017.84 and 272,209.36
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Solution
The fourth proportional to 498,563.68, 688,017.84 and 272,209.36 is: 375,648.90
Step by Step Solution
- Step 1: Write the proportion equation
498,563.68 : 688,017.84 = 272,209.36 : x - Step 2: Convert to fraction form
498,563.68/688,017.84 = 272,209.36/x - Step 3: Cross multiply
498,563.68x = 688,017.84 × 272,209.36 - Step 4: Simplify right side
498,563.68x = 187,284,895,894.98 - Step 5: Solve for x
x = 187,284,895,894.98/498,563.68 - Step 6: Final answer
x = 375,648.90
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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.