Finding the Fourth Proportional to 610,773.12, 842,867.10 and 342,501.12
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Solution
The fourth proportional to 610,773.12, 842,867.10 and 342,501.12 is: 472,651.65
Step by Step Solution
- Step 1: Write the proportion equation
610,773.12 : 842,867.10 = 342,501.12 : x - Step 2: Convert to fraction form
610,773.12/842,867.10 = 342,501.12/x - Step 3: Cross multiply
610,773.12x = 842,867.10 × 342,501.12 - Step 4: Simplify right side
610,773.12x = 288,682,925,761.15 - Step 5: Solve for x
x = 288,682,925,761.15/610,773.12 - Step 6: Final answer
x = 472,651.65
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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.