Finding the Fourth Proportional to 419,025.12, 578,267.70 and 237,744.69
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Solution
The fourth proportional to 419,025.12, 578,267.70 and 237,744.69 is: 328,095.07
Step by Step Solution
- Step 1: Write the proportion equation
419,025.12 : 578,267.70 = 237,744.69 : x - Step 2: Convert to fraction form
419,025.12/578,267.70 = 237,744.69/x - Step 3: Cross multiply
419,025.12x = 578,267.70 × 237,744.69 - Step 4: Simplify right side
419,025.12x = 137,480,075,073.51 - Step 5: Solve for x
x = 137,480,075,073.51/419,025.12 - Step 6: Final answer
x = 328,095.07
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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.