Finding the Fourth Proportional to 411,319.51, 617,194.42 and 168,340.95
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Solution
The fourth proportional to 411,319.51, 617,194.42 and 168,340.95 is: 252,599.48
Step by Step Solution
- Step 1: Write the proportion equation
411,319.51 : 617,194.42 = 168,340.95 : x - Step 2: Convert to fraction form
411,319.51/617,194.42 = 168,340.95/x - Step 3: Cross multiply
411,319.51x = 617,194.42 × 168,340.95 - Step 4: Simplify right side
411,319.51x = 103,899,095,878.63 - Step 5: Solve for x
x = 103,899,095,878.63/411,319.51 - Step 6: Final answer
x = 252,599.48
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1.5x scale
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.