Finding the Fourth Proportional to 250,927.74, 346,289.19 and 137,759.10
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Solution
The fourth proportional to 250,927.74, 346,289.19 and 137,759.10 is: 190,112.45
Step by Step Solution
- Step 1: Write the proportion equation
250,927.74 : 346,289.19 = 137,759.10 : x - Step 2: Convert to fraction form
250,927.74/346,289.19 = 137,759.10/x - Step 3: Cross multiply
250,927.74x = 346,289.19 × 137,759.10 - Step 4: Simplify right side
250,927.74x = 47,704,487,154.13 - Step 5: Solve for x
x = 47,704,487,154.13/250,927.74 - Step 6: Final answer
x = 190,112.45
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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.