Finding the Fourth Proportional to 403,125.13, 604,635.45 and 166,435.84
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Solution
The fourth proportional to 403,125.13, 604,635.45 and 166,435.84 is: 249,632.19
Step by Step Solution
- Step 1: Write the proportion equation
403,125.13 : 604,635.45 = 166,435.84 : x - Step 2: Convert to fraction form
403,125.13/604,635.45 = 166,435.84/x - Step 3: Cross multiply
403,125.13x = 604,635.45 × 166,435.84 - Step 4: Simplify right side
403,125.13x = 100,633,009,014.53 - Step 5: Solve for x
x = 100,633,009,014.53/403,125.13 - Step 6: Final answer
x = 249,632.19
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.