Finding the Fourth Proportional to 553,745.88, 830,665.65 and 154,386.99
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Solution
The fourth proportional to 553,745.88, 830,665.65 and 154,386.99 is: 231,593.54
Step by Step Solution
- Step 1: Write the proportion equation
553,745.88 : 830,665.65 = 154,386.99 : x - Step 2: Convert to fraction form
553,745.88/830,665.65 = 154,386.99/x - Step 3: Cross multiply
553,745.88x = 830,665.65 × 154,386.99 - Step 4: Simplify right side
553,745.88x = 128,243,969,399.89 - Step 5: Solve for x
x = 128,243,969,399.89/553,745.88 - Step 6: Final answer
x = 231,593.54
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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.