Finding the Fourth Proportional to 451,013.81, 621,969.58 and 269,696.21
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Solution
The fourth proportional to 451,013.81, 621,969.58 and 269,696.21 is: 371,923.95
Step by Step Solution
- Step 1: Write the proportion equation
451,013.81 : 621,969.58 = 269,696.21 : x - Step 2: Convert to fraction form
451,013.81/621,969.58 = 269,696.21/x - Step 3: Cross multiply
451,013.81x = 621,969.58 × 269,696.21 - Step 4: Simplify right side
451,013.81x = 167,742,838,461.29 - Step 5: Solve for x
x = 167,742,838,461.29/451,013.81 - Step 6: Final answer
x = 371,923.95
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.