Finding the Fourth Proportional to 575,860.65, 863,420.85 and 239,133.66
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Solution
The fourth proportional to 575,860.65, 863,420.85 and 239,133.66 is: 358,546.79
Step by Step Solution
- Step 1: Write the proportion equation
575,860.65 : 863,420.85 = 239,133.66 : x - Step 2: Convert to fraction form
575,860.65/863,420.85 = 239,133.66/x - Step 3: Cross multiply
575,860.65x = 863,420.85 × 239,133.66 - Step 4: Simplify right side
575,860.65x = 206,472,987,980.81 - Step 5: Solve for x
x = 206,472,987,980.81/575,860.65 - Step 6: Final answer
x = 358,546.79
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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.