Finding the Fourth Proportional to 368,384.76, 508,365.90 and 207,239.76
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Solution
The fourth proportional to 368,384.76, 508,365.90 and 207,239.76 is: 285,988.02
Step by Step Solution
- Step 1: Write the proportion equation
368,384.76 : 508,365.90 = 207,239.76 : x - Step 2: Convert to fraction form
368,384.76/508,365.90 = 207,239.76/x - Step 3: Cross multiply
368,384.76x = 508,365.90 × 207,239.76 - Step 4: Simplify right side
368,384.76x = 105,353,627,108.18 - Step 5: Solve for x
x = 105,353,627,108.18/368,384.76 - Step 6: Final answer
x = 285,988.02
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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.