Finding the Fourth Proportional to 346,519.08, 519,985.98 and 318,318.12
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Solution
The fourth proportional to 346,519.08, 519,985.98 and 318,318.12 is: 477,667.66
Step by Step Solution
- Step 1: Write the proportion equation
346,519.08 : 519,985.98 = 318,318.12 : x - Step 2: Convert to fraction form
346,519.08/519,985.98 = 318,318.12/x - Step 3: Cross multiply
346,519.08x = 519,985.98 × 318,318.12 - Step 4: Simplify right side
346,519.08x = 165,520,959,579.96 - Step 5: Solve for x
x = 165,520,959,579.96/346,519.08 - Step 6: Final answer
x = 477,667.66
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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.