Finding the Fourth Proportional to 309,176.60, 426,566.86 and 173,192.18
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Solution
The fourth proportional to 309,176.60, 426,566.86 and 173,192.18 is: 238,950.95
Step by Step Solution
- Step 1: Write the proportion equation
309,176.60 : 426,566.86 = 173,192.18 : x - Step 2: Convert to fraction form
309,176.60/426,566.86 = 173,192.18/x - Step 3: Cross multiply
309,176.60x = 426,566.86 × 173,192.18 - Step 4: Simplify right side
309,176.60x = 73,878,041,833.34 - Step 5: Solve for x
x = 73,878,041,833.34/309,176.60 - Step 6: Final answer
x = 238,950.95
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1.5x scale
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.