Finding the Fourth Proportional to 303,681.12, 455,474.93 and 101,280.75
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Solution
The fourth proportional to 303,681.12, 455,474.93 and 101,280.75 is: 151,905.53
Step by Step Solution
- Step 1: Write the proportion equation
303,681.12 : 455,474.93 = 101,280.75 : x - Step 2: Convert to fraction form
303,681.12/455,474.93 = 101,280.75/x - Step 3: Cross multiply
303,681.12x = 455,474.93 × 101,280.75 - Step 4: Simplify right side
303,681.12x = 46,130,842,010.19 - Step 5: Solve for x
x = 46,130,842,010.19/303,681.12 - Step 6: Final answer
x = 151,905.53
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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.