Finding the Fourth Proportional to 180,920.05, 249,659.49 and 100,341.79
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Solution
The fourth proportional to 180,920.05, 249,659.49 and 100,341.79 is: 138,466.02
Step by Step Solution
- Step 1: Write the proportion equation
180,920.05 : 249,659.49 = 100,341.79 : x - Step 2: Convert to fraction form
180,920.05/249,659.49 = 100,341.79/x - Step 3: Cross multiply
180,920.05x = 249,659.49 × 100,341.79 - Step 4: Simplify right side
180,920.05x = 25,051,280,117.09 - Step 5: Solve for x
x = 25,051,280,117.09/180,920.05 - Step 6: Final answer
x = 138,466.02
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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.