Finding the Fourth Proportional to 552,129.70, 828,194.55 and 197,313.70
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Solution
The fourth proportional to 552,129.70, 828,194.55 and 197,313.70 is: 295,970.55
Step by Step Solution
- Step 1: Write the proportion equation
552,129.70 : 828,194.55 = 197,313.70 : x - Step 2: Convert to fraction form
552,129.70/828,194.55 = 197,313.70/x - Step 3: Cross multiply
552,129.70x = 828,194.55 × 197,313.70 - Step 4: Simplify right side
552,129.70x = 163,414,130,980.34 - Step 5: Solve for x
x = 163,414,130,980.34/552,129.70 - Step 6: Final answer
x = 295,970.55
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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.