Finding the Fourth Proportional to 317,988.45, 476,982.95 and 118,282.95
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Solution
The fourth proportional to 317,988.45, 476,982.95 and 118,282.95 is: 177,424.53
Step by Step Solution
- Step 1: Write the proportion equation
317,988.45 : 476,982.95 = 118,282.95 : x - Step 2: Convert to fraction form
317,988.45/476,982.95 = 118,282.95/x - Step 3: Cross multiply
317,988.45x = 476,982.95 × 118,282.95 - Step 4: Simplify right side
317,988.45x = 56,418,949,834.29 - Step 5: Solve for x
x = 56,418,949,834.29/317,988.45 - Step 6: Final answer
x = 177,424.53
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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.