Finding the Fourth Proportional to 553,858.18, 830,793.93 and 154,474.63
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Solution
The fourth proportional to 553,858.18, 830,793.93 and 154,474.63 is: 231,713.80
Step by Step Solution
- Step 1: Write the proportion equation
553,858.18 : 830,793.93 = 154,474.63 : x - Step 2: Convert to fraction form
553,858.18/830,793.93 = 154,474.63/x - Step 3: Cross multiply
553,858.18x = 830,793.93 × 154,474.63 - Step 4: Simplify right side
553,858.18x = 128,336,584,943.00 - Step 5: Solve for x
x = 128,336,584,943.00/553,858.18 - Step 6: Final answer
x = 231,713.80
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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.