Finding the Fourth Proportional to 671,476.99, 1,007,106.13 and 272,101.63
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Solution
The fourth proportional to 671,476.99, 1,007,106.13 and 272,101.63 is: 408,108.13
Step by Step Solution
- Step 1: Write the proportion equation
671,476.99 : 1,007,106.13 = 272,101.63 : x - Step 2: Convert to fraction form
671,476.99/1,007,106.13 = 272,101.63/x - Step 3: Cross multiply
671,476.99x = 1,007,106.13 × 272,101.63 - Step 4: Simplify right side
671,476.99x = 274,035,219,555.99 - Step 5: Solve for x
x = 274,035,219,555.99/671,476.99 - Step 6: Final answer
x = 408,108.13
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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.