Finding the Fourth Proportional to 270,281.21, 372,898.92 and 173,539.26
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Solution
The fourth proportional to 270,281.21, 372,898.92 and 173,539.26 is: 239,426.95
Step by Step Solution
- Step 1: Write the proportion equation
270,281.21 : 372,898.92 = 173,539.26 : x - Step 2: Convert to fraction form
270,281.21/372,898.92 = 173,539.26/x - Step 3: Cross multiply
270,281.21x = 372,898.92 × 173,539.26 - Step 4: Simplify right side
270,281.21x = 64,712,604,680.74 - Step 5: Solve for x
x = 64,712,604,680.74/270,281.21 - Step 6: Final answer
x = 239,426.95
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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.