Finding the Fourth Proportional to 338,661.18, 507,633.80 and 125,292.06
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Solution
The fourth proportional to 338,661.18, 507,633.80 and 125,292.06 is: 187,805.65
Step by Step Solution
- Step 1: Write the proportion equation
338,661.18 : 507,633.80 = 125,292.06 : x - Step 2: Convert to fraction form
338,661.18/507,633.80 = 125,292.06/x - Step 3: Cross multiply
338,661.18x = 507,633.80 × 125,292.06 - Step 4: Simplify right side
338,661.18x = 63,602,481,997.54 - Step 5: Solve for x
x = 63,602,481,997.54/338,661.18 - Step 6: Final answer
x = 187,805.65
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.