Finding the Fourth Proportional to 180,895.68, 249,652.68 and 100,326.56
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Solution
The fourth proportional to 180,895.68, 249,652.68 and 100,326.56 is: 138,459.88
Step by Step Solution
- Step 1: Write the proportion equation
180,895.68 : 249,652.68 = 100,326.56 : x - Step 2: Convert to fraction form
180,895.68/249,652.68 = 100,326.56/x - Step 3: Cross multiply
180,895.68x = 249,652.68 × 100,326.56 - Step 4: Simplify right side
180,895.68x = 25,046,794,579.18 - Step 5: Solve for x
x = 25,046,794,579.18/180,895.68 - Step 6: Final answer
x = 138,459.88
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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.