Finding the Fourth Proportional to 368,424.53, 508,423.73 and 207,280.70
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Solution
The fourth proportional to 368,424.53, 508,423.73 and 207,280.70 is: 286,046.17
Step by Step Solution
- Step 1: Write the proportion equation
368,424.53 : 508,423.73 = 207,280.70 : x - Step 2: Convert to fraction form
368,424.53/508,423.73 = 207,280.70/x - Step 3: Cross multiply
368,424.53x = 508,423.73 × 207,280.70 - Step 4: Simplify right side
368,424.53x = 105,386,423,072.49 - Step 5: Solve for x
x = 105,386,423,072.49/368,424.53 - Step 6: Final answer
x = 286,046.17
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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.