Finding the Fourth Proportional to 168,430.95, 252,512.28 and 97,272.63
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Solution
The fourth proportional to 168,430.95, 252,512.28 and 97,272.63 is: 145,831.47
Step by Step Solution
- Step 1: Write the proportion equation
168,430.95 : 252,512.28 = 97,272.63 : x - Step 2: Convert to fraction form
168,430.95/252,512.28 = 97,272.63/x - Step 3: Cross multiply
168,430.95x = 252,512.28 × 97,272.63 - Step 4: Simplify right side
168,430.95x = 24,562,533,582.90 - Step 5: Solve for x
x = 24,562,533,582.90/168,430.95 - Step 6: Final answer
x = 145,831.47
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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.