Finding the Fourth Proportional to 473,516.12, 653,441.36 and 258,657.14
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Solution
The fourth proportional to 473,516.12, 653,441.36 and 258,657.14 is: 356,940.91
Step by Step Solution
- Step 1: Write the proportion equation
473,516.12 : 653,441.36 = 258,657.14 : x - Step 2: Convert to fraction form
473,516.12/653,441.36 = 258,657.14/x - Step 3: Cross multiply
473,516.12x = 653,441.36 × 258,657.14 - Step 4: Simplify right side
473,516.12x = 169,017,273,335.31 - Step 5: Solve for x
x = 169,017,273,335.31/473,516.12 - Step 6: Final answer
x = 356,940.91
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.