Finding the Fourth Proportional to 436,214.68, 654,321.03 and 136,718.08
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Solution
The fourth proportional to 436,214.68, 654,321.03 and 136,718.08 is: 205,076.81
Step by Step Solution
- Step 1: Write the proportion equation
436,214.68 : 654,321.03 = 136,718.08 : x - Step 2: Convert to fraction form
436,214.68/654,321.03 = 136,718.08/x - Step 3: Cross multiply
436,214.68x = 654,321.03 × 136,718.08 - Step 4: Simplify right side
436,214.68x = 89,457,514,925.22 - Step 5: Solve for x
x = 89,457,514,925.22/436,214.68 - Step 6: Final answer
x = 205,076.81
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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.