Finding the Fourth Proportional to 316,800.87, 474,020.19 and 313,257.93
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Solution
The fourth proportional to 316,800.87, 474,020.19 and 313,257.93 is: 468,718.99
Step by Step Solution
- Step 1: Write the proportion equation
316,800.87 : 474,020.19 = 313,257.93 : x - Step 2: Convert to fraction form
316,800.87/474,020.19 = 313,257.93/x - Step 3: Cross multiply
316,800.87x = 474,020.19 × 313,257.93 - Step 4: Simplify right side
316,800.87x = 148,490,583,497.61 - Step 5: Solve for x
x = 148,490,583,497.61/316,800.87 - Step 6: Final answer
x = 468,718.99
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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.