Finding the Fourth Proportional to 303,607.70, 455,686.95 and 153,952.10
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Solution
The fourth proportional to 303,607.70, 455,686.95 and 153,952.10 is: 231,067.80
Step by Step Solution
- Step 1: Write the proportion equation
303,607.70 : 455,686.95 = 153,952.10 : x - Step 2: Convert to fraction form
303,607.70/455,686.95 = 153,952.10/x - Step 3: Cross multiply
303,607.70x = 455,686.95 × 153,952.10 - Step 4: Simplify right side
303,607.70x = 70,153,962,895.10 - Step 5: Solve for x
x = 70,153,962,895.10/303,607.70 - Step 6: Final answer
x = 231,067.80
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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.