Finding the Fourth Proportional to 553,258.93, 829,396.05 and 216,222.94
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Solution
The fourth proportional to 553,258.93, 829,396.05 and 216,222.94 is: 324,141.99
Step by Step Solution
- Step 1: Write the proportion equation
553,258.93 : 829,396.05 = 216,222.94 : x - Step 2: Convert to fraction form
553,258.93/829,396.05 = 216,222.94/x - Step 3: Cross multiply
553,258.93x = 829,396.05 × 216,222.94 - Step 4: Simplify right side
553,258.93x = 179,334,452,895.94 - Step 5: Solve for x
x = 179,334,452,895.94/553,258.93 - Step 6: Final answer
x = 324,141.99
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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.