Finding the Fourth Proportional to 236,331.60, 354,497.40 and 206,807.10
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Solution
The fourth proportional to 236,331.60, 354,497.40 and 206,807.10 is: 310,210.65
Step by Step Solution
- Step 1: Write the proportion equation
236,331.60 : 354,497.40 = 206,807.10 : x - Step 2: Convert to fraction form
236,331.60/354,497.40 = 206,807.10/x - Step 3: Cross multiply
236,331.60x = 354,497.40 × 206,807.10 - Step 4: Simplify right side
236,331.60x = 73,312,579,251.54 - Step 5: Solve for x
x = 73,312,579,251.54/236,331.60 - Step 6: Final answer
x = 310,210.65
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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.