Finding the Fourth Proportional to 177,730.80, 245,271.42 and 106,117.08
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Solution
The fourth proportional to 177,730.80, 245,271.42 and 106,117.08 is: 146,443.31
Step by Step Solution
- Step 1: Write the proportion equation
177,730.80 : 245,271.42 = 106,117.08 : x - Step 2: Convert to fraction form
177,730.80/245,271.42 = 106,117.08/x - Step 3: Cross multiply
177,730.80x = 245,271.42 × 106,117.08 - Step 4: Simplify right side
177,730.80x = 26,027,486,897.85 - Step 5: Solve for x
x = 26,027,486,897.85/177,730.80 - Step 6: Final answer
x = 146,443.31
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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.