Finding the Fourth Proportional to 180,875.99, 249,609.51 and 100,310.96
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Solution
The fourth proportional to 180,875.99, 249,609.51 and 100,310.96 is: 138,429.48
Step by Step Solution
- Step 1: Write the proportion equation
180,875.99 : 249,609.51 = 100,310.96 : x - Step 2: Convert to fraction form
180,875.99/249,609.51 = 100,310.96/x - Step 3: Cross multiply
180,875.99x = 249,609.51 × 100,310.96 - Step 4: Simplify right side
180,875.99x = 25,038,569,573.23 - Step 5: Solve for x
x = 25,038,569,573.23/180,875.99 - Step 6: Final answer
x = 138,429.48
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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.