Finding the Fourth Proportional to 346,437.24, 478,074.12 and 193,471.20
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Solution
The fourth proportional to 346,437.24, 478,074.12 and 193,471.20 is: 266,985.08
Step by Step Solution
- Step 1: Write the proportion equation
346,437.24 : 478,074.12 = 193,471.20 : x - Step 2: Convert to fraction form
346,437.24/478,074.12 = 193,471.20/x - Step 3: Cross multiply
346,437.24x = 478,074.12 × 193,471.20 - Step 4: Simplify right side
346,437.24x = 92,493,573,685.34 - Step 5: Solve for x
x = 92,493,573,685.34/346,437.24 - Step 6: Final answer
x = 266,985.08
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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.