Finding the Fourth Proportional to 180,746.68, 249,423.62 and 100,175.58
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Solution
The fourth proportional to 180,746.68, 249,423.62 and 100,175.58 is: 138,238.53
Step by Step Solution
- Step 1: Write the proportion equation
180,746.68 : 249,423.62 = 100,175.58 : x - Step 2: Convert to fraction form
180,746.68/249,423.62 = 100,175.58/x - Step 3: Cross multiply
180,746.68x = 249,423.62 × 100,175.58 - Step 4: Simplify right side
180,746.68x = 24,986,155,799.20 - Step 5: Solve for x
x = 24,986,155,799.20/180,746.68 - Step 6: Final answer
x = 138,238.53
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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.