Finding the Fourth Proportional to 553,728.93, 830,634.11 and 198,746.03
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Solution
The fourth proportional to 553,728.93, 830,634.11 and 198,746.03 is: 298,133.65
Step by Step Solution
- Step 1: Write the proportion equation
553,728.93 : 830,634.11 = 198,746.03 : x - Step 2: Convert to fraction form
553,728.93/830,634.11 = 198,746.03/x - Step 3: Cross multiply
553,728.93x = 830,634.11 × 198,746.03 - Step 4: Simplify right side
553,728.93x = 165,085,226,598.18 - Step 5: Solve for x
x = 165,085,226,598.18/553,728.93 - Step 6: Final answer
x = 298,133.65
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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.