Finding the Fourth Proportional to 474,992.19, 655,474.55 and 260,126.73
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Solution
The fourth proportional to 474,992.19, 655,474.55 and 260,126.73 is: 358,966.85
Step by Step Solution
- Step 1: Write the proportion equation
474,992.19 : 655,474.55 = 260,126.73 : x - Step 2: Convert to fraction form
474,992.19/655,474.55 = 260,126.73/x - Step 3: Cross multiply
474,992.19x = 655,474.55 × 260,126.73 - Step 4: Simplify right side
474,992.19x = 170,506,449,989.09 - Step 5: Solve for x
x = 170,506,449,989.09/474,992.19 - Step 6: Final answer
x = 358,966.85
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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.