Finding the Fourth Proportional to 250,938.06, 346,285.26 and 136,214.18
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Solution
The fourth proportional to 250,938.06, 346,285.26 and 136,214.18 is: 187,970.53
Step by Step Solution
- Step 1: Write the proportion equation
250,938.06 : 346,285.26 = 136,214.18 : x - Step 2: Convert to fraction form
250,938.06/346,285.26 = 136,214.18/x - Step 3: Cross multiply
250,938.06x = 346,285.26 × 136,214.18 - Step 4: Simplify right side
250,938.06x = 47,168,961,005.56 - Step 5: Solve for x
x = 47,168,961,005.56/250,938.06 - Step 6: Final answer
x = 187,970.53
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1.5x scale
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.