Finding the Fourth Proportional to 509,038.71, 702,395.19 and 294,137.07
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Solution
The fourth proportional to 509,038.71, 702,395.19 and 294,137.07 is: 405,863.95
Step by Step Solution
- Step 1: Write the proportion equation
509,038.71 : 702,395.19 = 294,137.07 : x - Step 2: Convert to fraction form
509,038.71/702,395.19 = 294,137.07/x - Step 3: Cross multiply
509,038.71x = 702,395.19 × 294,137.07 - Step 4: Simplify right side
509,038.71x = 206,600,463,168.69 - Step 5: Solve for x
x = 206,600,463,168.69/509,038.71 - Step 6: Final answer
x = 405,863.95
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.