Finding the Fourth Proportional to 387,210.74, 580,616.50 and 173,795.70
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Solution
The fourth proportional to 387,210.74, 580,616.50 and 173,795.70 is: 260,603.95
Step by Step Solution
- Step 1: Write the proportion equation
387,210.74 : 580,616.50 = 173,795.70 : x - Step 2: Convert to fraction form
387,210.74/580,616.50 = 173,795.70/x - Step 3: Cross multiply
387,210.74x = 580,616.50 × 173,795.70 - Step 4: Simplify right side
387,210.74x = 100,908,650,422.10 - Step 5: Solve for x
x = 100,908,650,422.10/387,210.74 - Step 6: Final answer
x = 260,603.95
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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.