Finding the Fourth Proportional to 368,308.04, 508,259.99 and 207,163.20
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Solution
The fourth proportional to 368,308.04, 508,259.99 and 207,163.20 is: 285,882.34
Step by Step Solution
- Step 1: Write the proportion equation
368,308.04 : 508,259.99 = 207,163.20 : x - Step 2: Convert to fraction form
368,308.04/508,259.99 = 207,163.20/x - Step 3: Cross multiply
368,308.04x = 508,259.99 × 207,163.20 - Step 4: Simplify right side
368,308.04x = 105,292,762,901.16 - Step 5: Solve for x
x = 105,292,762,901.16/368,308.04 - Step 6: Final answer
x = 285,882.34
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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.