Finding the Fourth Proportional to 420,908.99, 581,045.63 and 268,156.67
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Solution
The fourth proportional to 420,908.99, 581,045.63 and 268,156.67 is: 370,178.03
Step by Step Solution
- Step 1: Write the proportion equation
420,908.99 : 581,045.63 = 268,156.67 : x - Step 2: Convert to fraction form
420,908.99/581,045.63 = 268,156.67/x - Step 3: Cross multiply
420,908.99x = 581,045.63 × 268,156.67 - Step 4: Simplify right side
420,908.99x = 155,811,257,012.84 - Step 5: Solve for x
x = 155,811,257,012.84/420,908.99 - Step 6: Final answer
x = 370,178.03
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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.