Finding the Fourth Proportional to 493,599.19, 740,251.47 and 209,284.94
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Solution
The fourth proportional to 493,599.19, 740,251.47 and 209,284.94 is: 313,864.95
Step by Step Solution
- Step 1: Write the proportion equation
493,599.19 : 740,251.47 = 209,284.94 : x - Step 2: Convert to fraction form
493,599.19/740,251.47 = 209,284.94/x - Step 3: Cross multiply
493,599.19x = 740,251.47 × 209,284.94 - Step 4: Simplify right side
493,599.19x = 154,923,484,483.86 - Step 5: Solve for x
x = 154,923,484,483.86/493,599.19 - Step 6: Final answer
x = 313,864.95
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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.