Finding the Fourth Proportional to 385,726.19, 576,243.46 and 249,681.97
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Solution
The fourth proportional to 385,726.19, 576,243.46 and 249,681.97 is: 373,004.49
Step by Step Solution
- Step 1: Write the proportion equation
385,726.19 : 576,243.46 = 249,681.97 : x - Step 2: Convert to fraction form
385,726.19/576,243.46 = 249,681.97/x - Step 3: Cross multiply
385,726.19x = 576,243.46 × 249,681.97 - Step 4: Simplify right side
385,726.19x = 143,877,599,615.30 - Step 5: Solve for x
x = 143,877,599,615.30/385,726.19 - Step 6: Final answer
x = 373,004.49
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.