Finding the Fourth Proportional to 310,712.68, 465,745.83 and 210,880.99
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Solution
The fourth proportional to 310,712.68, 465,745.83 and 210,880.99 is: 316,102.14
Step by Step Solution
- Step 1: Write the proportion equation
310,712.68 : 465,745.83 = 210,880.99 : x - Step 2: Convert to fraction form
310,712.68/465,745.83 = 210,880.99/x - Step 3: Cross multiply
310,712.68x = 465,745.83 × 210,880.99 - Step 4: Simplify right side
310,712.68x = 98,216,941,718.77 - Step 5: Solve for x
x = 98,216,941,718.77/310,712.68 - Step 6: Final answer
x = 316,102.14
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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.