Finding the Fourth Proportional to 452,859.75, 679,312.71 and 115,903.17
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Solution
The fourth proportional to 452,859.75, 679,312.71 and 115,903.17 is: 173,860.66
Step by Step Solution
- Step 1: Write the proportion equation
452,859.75 : 679,312.71 = 115,903.17 : x - Step 2: Convert to fraction form
452,859.75/679,312.71 = 115,903.17/x - Step 3: Cross multiply
452,859.75x = 679,312.71 × 115,903.17 - Step 4: Simplify right side
452,859.75x = 78,734,496,510.29 - Step 5: Solve for x
x = 78,734,496,510.29/452,859.75 - Step 6: Final answer
x = 173,860.66
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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.