Finding the Fourth Proportional to 346,700.68, 478,444.56 and 193,739.26
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Solution
The fourth proportional to 346,700.68, 478,444.56 and 193,739.26 is: 267,358.85
Step by Step Solution
- Step 1: Write the proportion equation
346,700.68 : 478,444.56 = 193,739.26 : x - Step 2: Convert to fraction form
346,700.68/478,444.56 = 193,739.26/x - Step 3: Cross multiply
346,700.68x = 478,444.56 × 193,739.26 - Step 4: Simplify right side
346,700.68x = 92,693,495,005.43 - Step 5: Solve for x
x = 92,693,495,005.43/346,700.68 - Step 6: Final answer
x = 267,358.85
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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.