Finding the Fourth Proportional to 209,977.36, 314,615.40 and 147,536.08
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Solution
The fourth proportional to 209,977.36, 314,615.40 and 147,536.08 is: 221,057.75
Step by Step Solution
- Step 1: Write the proportion equation
209,977.36 : 314,615.40 = 147,536.08 : x - Step 2: Convert to fraction form
209,977.36/314,615.40 = 147,536.08/x - Step 3: Cross multiply
209,977.36x = 314,615.40 × 147,536.08 - Step 4: Simplify right side
209,977.36x = 46,417,122,823.63 - Step 5: Solve for x
x = 46,417,122,823.63/209,977.36 - Step 6: Final answer
x = 221,057.75
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.