Finding the Fourth Proportional to 475,118.76, 712,603.87 and 155,268.09
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Solution
The fourth proportional to 475,118.76, 712,603.87 and 155,268.09 is: 232,877.86
Step by Step Solution
- Step 1: Write the proportion equation
475,118.76 : 712,603.87 = 155,268.09 : x - Step 2: Convert to fraction form
475,118.76/712,603.87 = 155,268.09/x - Step 3: Cross multiply
475,118.76x = 712,603.87 × 155,268.09 - Step 4: Simplify right side
475,118.76x = 110,644,642,023.52 - Step 5: Solve for x
x = 110,644,642,023.52/475,118.76 - Step 6: Final answer
x = 232,877.86
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.