Finding the Fourth Proportional to 153,792.12, 230,425.74 and 83,545.68
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Solution
The fourth proportional to 153,792.12, 230,425.74 and 83,545.68 is: 125,175.95
Step by Step Solution
- Step 1: Write the proportion equation
153,792.12 : 230,425.74 = 83,545.68 : x - Step 2: Convert to fraction form
153,792.12/230,425.74 = 83,545.68/x - Step 3: Cross multiply
153,792.12x = 230,425.74 × 83,545.68 - Step 4: Simplify right side
153,792.12x = 19,251,075,137.80 - Step 5: Solve for x
x = 19,251,075,137.80/153,792.12 - Step 6: Final answer
x = 125,175.95
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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.