Finding the Fourth Proportional to 250,943.19, 346,307.70 and 136,226.53
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Solution
The fourth proportional to 250,943.19, 346,307.70 and 136,226.53 is: 187,995.92
Step by Step Solution
- Step 1: Write the proportion equation
250,943.19 : 346,307.70 = 136,226.53 : x - Step 2: Convert to fraction form
250,943.19/346,307.70 = 136,226.53/x - Step 3: Cross multiply
250,943.19x = 346,307.70 × 136,226.53 - Step 4: Simplify right side
250,943.19x = 47,176,296,283.28 - Step 5: Solve for x
x = 47,176,296,283.28/250,943.19 - Step 6: Final answer
x = 187,995.92
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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.