Finding the Fourth Proportional to 539,872.84, 745,025.70 and 298,150.96
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Solution
The fourth proportional to 539,872.84, 745,025.70 and 298,150.96 is: 411,448.98
Step by Step Solution
- Step 1: Write the proportion equation
539,872.84 : 745,025.70 = 298,150.96 : x - Step 2: Convert to fraction form
539,872.84/745,025.70 = 298,150.96/x - Step 3: Cross multiply
539,872.84x = 745,025.70 × 298,150.96 - Step 4: Simplify right side
539,872.84x = 222,130,127,679.67 - Step 5: Solve for x
x = 222,130,127,679.67/539,872.84 - Step 6: Final answer
x = 411,448.98
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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.