Finding the Fourth Proportional to 346,548.08, 520,029.48 and 318,347.12
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Solution
The fourth proportional to 346,548.08, 520,029.48 and 318,347.12 is: 477,711.17
Step by Step Solution
- Step 1: Write the proportion equation
346,548.08 : 520,029.48 = 318,347.12 : x - Step 2: Convert to fraction form
346,548.08/520,029.48 = 318,347.12/x - Step 3: Cross multiply
346,548.08x = 520,029.48 × 318,347.12 - Step 4: Simplify right side
346,548.08x = 165,549,887,273.10 - Step 5: Solve for x
x = 165,549,887,273.10/346,548.08 - Step 6: Final answer
x = 477,711.17
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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.