Finding the Fourth Proportional to 553,670.19, 830,616.30 and 198,711.99
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Solution
The fourth proportional to 553,670.19, 830,616.30 and 198,711.99 is: 298,107.83
Step by Step Solution
- Step 1: Write the proportion equation
553,670.19 : 830,616.30 = 198,711.99 : x - Step 2: Convert to fraction form
553,670.19/830,616.30 = 198,711.99/x - Step 3: Cross multiply
553,670.19x = 830,616.30 × 198,711.99 - Step 4: Simplify right side
553,670.19x = 165,053,417,899.44 - Step 5: Solve for x
x = 165,053,417,899.44/553,670.19 - Step 6: Final answer
x = 298,107.83
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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.