Finding the Fourth Proportional to 453,402.49, 625,695.40 and 249,449.02
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Solution
The fourth proportional to 453,402.49, 625,695.40 and 249,449.02 is: 344,239.63
Step by Step Solution
- Step 1: Write the proportion equation
453,402.49 : 625,695.40 = 249,449.02 : x - Step 2: Convert to fraction form
453,402.49/625,695.40 = 249,449.02/x - Step 3: Cross multiply
453,402.49x = 625,695.40 × 249,449.02 - Step 4: Simplify right side
453,402.49x = 156,079,104,348.51 - Step 5: Solve for x
x = 156,079,104,348.51/453,402.49 - Step 6: Final answer
x = 344,239.63
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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.