Finding the Fourth Proportional to 180,603.08, 249,399.79 and 135,202.25
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Solution
The fourth proportional to 180,603.08, 249,399.79 and 135,202.25 is: 186,704.52
Step by Step Solution
- Step 1: Write the proportion equation
180,603.08 : 249,399.79 = 135,202.25 : x - Step 2: Convert to fraction form
180,603.08/249,399.79 = 135,202.25/x - Step 3: Cross multiply
180,603.08x = 249,399.79 × 135,202.25 - Step 4: Simplify right side
180,603.08x = 33,719,412,400.66 - Step 5: Solve for x
x = 33,719,412,400.66/180,603.08 - Step 6: Final answer
x = 186,704.52
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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.