Finding the Fourth Proportional to 155,277.09, 214,281.27 and 88,209.09
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Solution
The fourth proportional to 155,277.09, 214,281.27 and 88,209.09 is: 121,727.91
Step by Step Solution
- Step 1: Write the proportion equation
155,277.09 : 214,281.27 = 88,209.09 : x - Step 2: Convert to fraction form
155,277.09/214,281.27 = 88,209.09/x - Step 3: Cross multiply
155,277.09x = 214,281.27 × 88,209.09 - Step 4: Simplify right side
155,277.09x = 18,901,555,830.74 - Step 5: Solve for x
x = 18,901,555,830.74/155,277.09 - Step 6: Final answer
x = 121,727.91
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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.