Finding the Fourth Proportional to 149,147.70, 205,587.63 and 110,317.65
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Solution
The fourth proportional to 149,147.70, 205,587.63 and 110,317.65 is: 152,063.65
Step by Step Solution
- Step 1: Write the proportion equation
149,147.70 : 205,587.63 = 110,317.65 : x - Step 2: Convert to fraction form
149,147.70/205,587.63 = 110,317.65/x - Step 3: Cross multiply
149,147.70x = 205,587.63 × 110,317.65 - Step 4: Simplify right side
149,147.70x = 22,679,944,210.67 - Step 5: Solve for x
x = 22,679,944,210.67/149,147.70 - Step 6: Final answer
x = 152,063.65
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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.