Finding the Fourth Proportional to 381,718.67, 572,490.52 and 171,416.75
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Solution
The fourth proportional to 381,718.67, 572,490.52 and 171,416.75 is: 257,085.84
Step by Step Solution
- Step 1: Write the proportion equation
381,718.67 : 572,490.52 = 171,416.75 : x - Step 2: Convert to fraction form
381,718.67/572,490.52 = 171,416.75/x - Step 3: Cross multiply
381,718.67x = 572,490.52 × 171,416.75 - Step 4: Simplify right side
381,718.67x = 98,134,464,344.21 - Step 5: Solve for x
x = 98,134,464,344.21/381,718.67 - Step 6: Final answer
x = 257,085.84
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.