Finding the Fourth Proportional to 342,917.12, 473,209.16 and 189,944.98
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Solution
The fourth proportional to 342,917.12, 473,209.16 and 189,944.98 is: 262,114.95
Step by Step Solution
- Step 1: Write the proportion equation
342,917.12 : 473,209.16 = 189,944.98 : x - Step 2: Convert to fraction form
342,917.12/473,209.16 = 189,944.98/x - Step 3: Cross multiply
342,917.12x = 473,209.16 × 189,944.98 - Step 4: Simplify right side
342,917.12x = 89,883,704,432.02 - Step 5: Solve for x
x = 89,883,704,432.02/342,917.12 - Step 6: Final answer
x = 262,114.95
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.