Finding the Fourth Proportional to 553,664.19, 830,607.27 and 198,705.99
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Solution
The fourth proportional to 553,664.19, 830,607.27 and 198,705.99 is: 298,098.82
Step by Step Solution
- Step 1: Write the proportion equation
553,664.19 : 830,607.27 = 198,705.99 : x - Step 2: Convert to fraction form
553,664.19/830,607.27 = 198,705.99/x - Step 3: Cross multiply
553,664.19x = 830,607.27 × 198,705.99 - Step 4: Simplify right side
553,664.19x = 165,046,639,886.55 - Step 5: Solve for x
x = 165,046,639,886.55/553,664.19 - Step 6: Final answer
x = 298,098.82
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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.