Finding the Fourth Proportional to 751,569.30, 1,127,353.95 and 190,603.80
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Solution
The fourth proportional to 751,569.30, 1,127,353.95 and 190,603.80 is: 285,905.70
Step by Step Solution
- Step 1: Write the proportion equation
751,569.30 : 1,127,353.95 = 190,603.80 : x - Step 2: Convert to fraction form
751,569.30/1,127,353.95 = 190,603.80/x - Step 3: Cross multiply
751,569.30x = 1,127,353.95 × 190,603.80 - Step 4: Simplify right side
751,569.30x = 214,877,946,815.01 - Step 5: Solve for x
x = 214,877,946,815.01/751,569.30 - Step 6: Final answer
x = 285,905.70
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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.