Finding the Fourth Proportional to 474,998.06, 655,490.64 and 260,138.07
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Solution
The fourth proportional to 474,998.06, 655,490.64 and 260,138.07 is: 358,986.88
Step by Step Solution
- Step 1: Write the proportion equation
474,998.06 : 655,490.64 = 260,138.07 : x - Step 2: Convert to fraction form
474,998.06/655,490.64 = 260,138.07/x - Step 3: Cross multiply
474,998.06x = 655,490.64 × 260,138.07 - Step 4: Simplify right side
474,998.06x = 170,518,069,992.67 - Step 5: Solve for x
x = 170,518,069,992.67/474,998.06 - Step 6: Final answer
x = 358,986.88
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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.