Finding the Fourth Proportional to 369,029.80, 553,544.70 and 119,711.80
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Solution
The fourth proportional to 369,029.80, 553,544.70 and 119,711.80 is: 179,567.70
Step by Step Solution
- Step 1: Write the proportion equation
369,029.80 : 553,544.70 = 119,711.80 : x - Step 2: Convert to fraction form
369,029.80/553,544.70 = 119,711.80/x - Step 3: Cross multiply
369,029.80x = 553,544.70 × 119,711.80 - Step 4: Simplify right side
369,029.80x = 66,265,832,417.46 - Step 5: Solve for x
x = 66,265,832,417.46/369,029.80 - Step 6: Final answer
x = 179,567.70
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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.