Finding the Fourth Proportional to 371,804.76, 513,090.18 and 202,038.48
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Solution
The fourth proportional to 371,804.76, 513,090.18 and 202,038.48 is: 278,812.89
Step by Step Solution
- Step 1: Write the proportion equation
371,804.76 : 513,090.18 = 202,038.48 : x - Step 2: Convert to fraction form
371,804.76/513,090.18 = 202,038.48/x - Step 3: Cross multiply
371,804.76x = 513,090.18 × 202,038.48 - Step 4: Simplify right side
371,804.76x = 103,663,960,070.13 - Step 5: Solve for x
x = 103,663,960,070.13/371,804.76 - Step 6: Final answer
x = 278,812.89
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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.