Finding the Fourth Proportional to 236,919.13, 355,544.74 and 136,941.74
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Solution
The fourth proportional to 236,919.13, 355,544.74 and 136,941.74 is: 205,508.59
Step by Step Solution
- Step 1: Write the proportion equation
236,919.13 : 355,544.74 = 136,941.74 : x - Step 2: Convert to fraction form
236,919.13/355,544.74 = 136,941.74/x - Step 3: Cross multiply
236,919.13x = 355,544.74 × 136,941.74 - Step 4: Simplify right side
236,919.13x = 48,688,915,070.19 - Step 5: Solve for x
x = 48,688,915,070.19/236,919.13 - Step 6: Final answer
x = 205,508.59
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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.