Finding the Fourth Proportional to 172,970.99, 259,434.99 and 46,621.12
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Solution
The fourth proportional to 172,970.99, 259,434.99 and 46,621.12 is: 69,925.89
Step by Step Solution
- Step 1: Write the proportion equation
172,970.99 : 259,434.99 = 46,621.12 : x - Step 2: Convert to fraction form
172,970.99/259,434.99 = 46,621.12/x - Step 3: Cross multiply
172,970.99x = 259,434.99 × 46,621.12 - Step 4: Simplify right side
172,970.99x = 12,095,149,800.99 - Step 5: Solve for x
x = 12,095,149,800.99/172,970.99 - Step 6: Final answer
x = 69,925.89
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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.