Finding the Fourth Proportional to 912,609.81, 1,368,810.11 and 238,756.14
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Solution
The fourth proportional to 912,609.81, 1,368,810.11 and 238,756.14 is: 358,106.84
Step by Step Solution
- Step 1: Write the proportion equation
912,609.81 : 1,368,810.11 = 238,756.14 : x - Step 2: Convert to fraction form
912,609.81/1,368,810.11 = 238,756.14/x - Step 3: Cross multiply
912,609.81x = 1,368,810.11 × 238,756.14 - Step 4: Simplify right side
912,609.81x = 326,811,818,256.58 - Step 5: Solve for x
x = 326,811,818,256.58/912,609.81 - Step 6: Final answer
x = 358,106.84
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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.