Finding the Fourth Proportional to 314,700.08, 434,291.09 and 171,460.08
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Solution
The fourth proportional to 314,700.08, 434,291.09 and 171,460.08 is: 236,617.62
Step by Step Solution
- Step 1: Write the proportion equation
314,700.08 : 434,291.09 = 171,460.08 : x - Step 2: Convert to fraction form
314,700.08/434,291.09 = 171,460.08/x - Step 3: Cross multiply
314,700.08x = 434,291.09 × 171,460.08 - Step 4: Simplify right side
314,700.08x = 74,463,584,177.39 - Step 5: Solve for x
x = 74,463,584,177.39/314,700.08 - Step 6: Final answer
x = 236,617.62
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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.