Finding the Fourth Proportional to 452,878.24, 679,312.52 and 115,916.21
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Solution
The fourth proportional to 452,878.24, 679,312.52 and 115,916.21 is: 173,873.08
Step by Step Solution
- Step 1: Write the proportion equation
452,878.24 : 679,312.52 = 115,916.21 : x - Step 2: Convert to fraction form
452,878.24/679,312.52 = 115,916.21/x - Step 3: Cross multiply
452,878.24x = 679,312.52 × 115,916.21 - Step 4: Simplify right side
452,878.24x = 78,743,336,203.07 - Step 5: Solve for x
x = 78,743,336,203.07/452,878.24 - Step 6: Final answer
x = 173,873.08
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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.