Finding the Fourth Proportional to 346,547.08, 520,027.98 and 318,346.12
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Solution
The fourth proportional to 346,547.08, 520,027.98 and 318,346.12 is: 477,709.67
Step by Step Solution
- Step 1: Write the proportion equation
346,547.08 : 520,027.98 = 318,346.12 : x - Step 2: Convert to fraction form
346,547.08/520,027.98 = 318,346.12/x - Step 3: Cross multiply
346,547.08x = 520,027.98 × 318,346.12 - Step 4: Simplify right side
346,547.08x = 165,548,889,724.44 - Step 5: Solve for x
x = 165,548,889,724.44/346,547.08 - Step 6: Final answer
x = 477,709.67
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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.