Finding the Fourth Proportional to 375,495.30, 563,238.09 and 91,188.18
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Solution
The fourth proportional to 375,495.30, 563,238.09 and 91,188.18 is: 136,781.09
Step by Step Solution
- Step 1: Write the proportion equation
375,495.30 : 563,238.09 = 91,188.18 : x - Step 2: Convert to fraction form
375,495.30/563,238.09 = 91,188.18/x - Step 3: Cross multiply
375,495.30x = 563,238.09 × 91,188.18 - Step 4: Simplify right side
375,495.30x = 51,360,656,333.78 - Step 5: Solve for x
x = 51,360,656,333.78/375,495.30 - Step 6: Final answer
x = 136,781.09
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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.