Finding the Fourth Proportional to 302,807.80, 454,211.70 and 289,029.70
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Solution
The fourth proportional to 302,807.80, 454,211.70 and 289,029.70 is: 433,544.55
Step by Step Solution
- Step 1: Write the proportion equation
302,807.80 : 454,211.70 = 289,029.70 : x - Step 2: Convert to fraction form
302,807.80/454,211.70 = 289,029.70/x - Step 3: Cross multiply
302,807.80x = 454,211.70 × 289,029.70 - Step 4: Simplify right side
302,807.80x = 131,280,671,387.49 - Step 5: Solve for x
x = 131,280,671,387.49/302,807.80 - Step 6: Final answer
x = 433,544.55
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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.