Finding the Fourth Proportional to 180,772.99, 249,457.59 and 100,199.66
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Solution
The fourth proportional to 180,772.99, 249,457.59 and 100,199.66 is: 138,270.46
Step by Step Solution
- Step 1: Write the proportion equation
180,772.99 : 249,457.59 = 100,199.66 : x - Step 2: Convert to fraction form
180,772.99/249,457.59 = 100,199.66/x - Step 3: Cross multiply
180,772.99x = 249,457.59 × 100,199.66 - Step 4: Simplify right side
180,772.99x = 24,995,564,455.13 - Step 5: Solve for x
x = 24,995,564,455.13/180,772.99 - Step 6: Final answer
x = 138,270.46
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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.