Finding the Fourth Proportional to 180,860.52, 249,575.34 and 100,285.08
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Solution
The fourth proportional to 180,860.52, 249,575.34 and 100,285.08 is: 138,386.66
Step by Step Solution
- Step 1: Write the proportion equation
180,860.52 : 249,575.34 = 100,285.08 : x - Step 2: Convert to fraction form
180,860.52/249,575.34 = 100,285.08/x - Step 3: Cross multiply
180,860.52x = 249,575.34 × 100,285.08 - Step 4: Simplify right side
180,860.52x = 25,028,682,937.93 - Step 5: Solve for x
x = 25,028,682,937.93/180,860.52 - Step 6: Final answer
x = 138,386.66
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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.