Finding the Fourth Proportional to 180,602.28, 249,259.14 and 103,077.99
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Solution
The fourth proportional to 180,602.28, 249,259.14 and 103,077.99 is: 142,263.60
Step by Step Solution
- Step 1: Write the proportion equation
180,602.28 : 249,259.14 = 103,077.99 : x - Step 2: Convert to fraction form
180,602.28/249,259.14 = 103,077.99/x - Step 3: Cross multiply
180,602.28x = 249,259.14 × 103,077.99 - Step 4: Simplify right side
180,602.28x = 25,693,131,140.33 - Step 5: Solve for x
x = 25,693,131,140.33/180,602.28 - Step 6: Final answer
x = 142,263.60
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1.5x scale
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.