Finding the Fourth Proportional to 230,325.21, 317,740.14 and 134,772.75
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Solution
The fourth proportional to 230,325.21, 317,740.14 and 134,772.75 is: 185,922.82
Step by Step Solution
- Step 1: Write the proportion equation
230,325.21 : 317,740.14 = 134,772.75 : x - Step 2: Convert to fraction form
230,325.21/317,740.14 = 134,772.75/x - Step 3: Cross multiply
230,325.21x = 317,740.14 × 134,772.75 - Step 4: Simplify right side
230,325.21x = 42,822,712,453.19 - Step 5: Solve for x
x = 42,822,712,453.19/230,325.21 - Step 6: Final answer
x = 185,922.82
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.