Finding the Fourth Proportional to 368,214.64, 508,131.36 and 207,069.65
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Solution
The fourth proportional to 368,214.64, 508,131.36 and 207,069.65 is: 285,753.39
Step by Step Solution
- Step 1: Write the proportion equation
368,214.64 : 508,131.36 = 207,069.65 : x - Step 2: Convert to fraction form
368,214.64/508,131.36 = 207,069.65/x - Step 3: Cross multiply
368,214.64x = 508,131.36 × 207,069.65 - Step 4: Simplify right side
368,214.64x = 105,218,582,869.22 - Step 5: Solve for x
x = 105,218,582,869.22/368,214.64 - Step 6: Final answer
x = 285,753.39
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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.