Finding the Fourth Proportional to 340,678.83, 510,630.72 and 207,264.99
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Solution
The fourth proportional to 340,678.83, 510,630.72 and 207,264.99 is: 310,661.72
Step by Step Solution
- Step 1: Write the proportion equation
340,678.83 : 510,630.72 = 207,264.99 : x - Step 2: Convert to fraction form
340,678.83/510,630.72 = 207,264.99/x - Step 3: Cross multiply
340,678.83x = 510,630.72 × 207,264.99 - Step 4: Simplify right side
340,678.83x = 105,835,871,074.49 - Step 5: Solve for x
x = 105,835,871,074.49/340,678.83 - Step 6: Final answer
x = 310,661.72
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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.