Finding the Fourth Proportional to 357,307.13, 535,960.70 and 107,989.13
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Solution
The fourth proportional to 357,307.13, 535,960.70 and 107,989.13 is: 161,983.70
Step by Step Solution
- Step 1: Write the proportion equation
357,307.13 : 535,960.70 = 107,989.13 : x - Step 2: Convert to fraction form
357,307.13/535,960.70 = 107,989.13/x - Step 3: Cross multiply
357,307.13x = 535,960.70 × 107,989.13 - Step 4: Simplify right side
357,307.13x = 57,877,929,707.19 - Step 5: Solve for x
x = 57,877,929,707.19/357,307.13 - Step 6: Final answer
x = 161,983.70
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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.