Finding the Fourth Proportional to 368,223.49, 508,089.18 and 207,068.95
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Solution
The fourth proportional to 368,223.49, 508,089.18 and 207,068.95 is: 285,721.84
Step by Step Solution
- Step 1: Write the proportion equation
368,223.49 : 508,089.18 = 207,068.95 : x - Step 2: Convert to fraction form
368,223.49/508,089.18 = 207,068.95/x - Step 3: Cross multiply
368,223.49x = 508,089.18 × 207,068.95 - Step 4: Simplify right side
368,223.49x = 105,209,493,008.96 - Step 5: Solve for x
x = 105,209,493,008.96/368,223.49 - Step 6: Final answer
x = 285,721.84
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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.