Finding the Fourth Proportional to 318,542.17, 439,579.36 and 180,746.19
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Solution
The fourth proportional to 318,542.17, 439,579.36 and 180,746.19 is: 249,424.72
Step by Step Solution
- Step 1: Write the proportion equation
318,542.17 : 439,579.36 = 180,746.19 : x - Step 2: Convert to fraction form
318,542.17/439,579.36 = 180,746.19/x - Step 3: Cross multiply
318,542.17x = 439,579.36 × 180,746.19 - Step 4: Simplify right side
318,542.17x = 79,452,293,100.15 - Step 5: Solve for x
x = 79,452,293,100.15/318,542.17 - Step 6: Final answer
x = 249,424.72
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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.