Finding the Fourth Proportional to 249,489.76, 374,259.60 and 72,001.12
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Solution
The fourth proportional to 249,489.76, 374,259.60 and 72,001.12 is: 108,008.88
Step by Step Solution
- Step 1: Write the proportion equation
249,489.76 : 374,259.60 = 72,001.12 : x - Step 2: Convert to fraction form
249,489.76/374,259.60 = 72,001.12/x - Step 3: Cross multiply
249,489.76x = 374,259.60 × 72,001.12 - Step 4: Simplify right side
249,489.76x = 26,947,110,370.75 - Step 5: Solve for x
x = 26,947,110,370.75/249,489.76 - Step 6: Final answer
x = 108,008.88
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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.