Finding the Fourth Proportional to 370,425.76, 555,638.64 and 246,009.76
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Solution
The fourth proportional to 370,425.76, 555,638.64 and 246,009.76 is: 369,014.64
Step by Step Solution
- Step 1: Write the proportion equation
370,425.76 : 555,638.64 = 246,009.76 : x - Step 2: Convert to fraction form
370,425.76/555,638.64 = 246,009.76/x - Step 3: Cross multiply
370,425.76x = 555,638.64 × 246,009.76 - Step 4: Simplify right side
370,425.76x = 136,692,528,473.13 - Step 5: Solve for x
x = 136,692,528,473.13/370,425.76 - Step 6: Final answer
x = 369,014.64
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1.5x scale
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.