Finding the Fourth Proportional to 400,293.48, 552,214.14 and 247,276.62
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Solution
The fourth proportional to 400,293.48, 552,214.14 and 247,276.62 is: 341,123.83
Step by Step Solution
- Step 1: Write the proportion equation
400,293.48 : 552,214.14 = 247,276.62 : x - Step 2: Convert to fraction form
400,293.48/552,214.14 = 247,276.62/x - Step 3: Cross multiply
400,293.48x = 552,214.14 × 247,276.62 - Step 4: Simplify right side
400,293.48x = 136,549,646,055.41 - Step 5: Solve for x
x = 136,549,646,055.41/400,293.48 - Step 6: Final answer
x = 341,123.83
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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.