Finding the Fourth Proportional to 291,486.95, 402,280.68 and 170,620.91
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Solution
The fourth proportional to 291,486.95, 402,280.68 and 170,620.91 is: 235,473.65
Step by Step Solution
- Step 1: Write the proportion equation
291,486.95 : 402,280.68 = 170,620.91 : x - Step 2: Convert to fraction form
291,486.95/402,280.68 = 170,620.91/x - Step 3: Cross multiply
291,486.95x = 402,280.68 × 170,620.91 - Step 4: Simplify right side
291,486.95x = 68,637,493,685.62 - Step 5: Solve for x
x = 68,637,493,685.62/291,486.95 - Step 6: Final answer
x = 235,473.65
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.