Finding the Fourth Proportional to 368,521.24, 508,553.40 and 207,376.20
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Solution
The fourth proportional to 368,521.24, 508,553.40 and 207,376.20 is: 286,175.83
Step by Step Solution
- Step 1: Write the proportion equation
368,521.24 : 508,553.40 = 207,376.20 : x - Step 2: Convert to fraction form
368,521.24/508,553.40 = 207,376.20/x - Step 3: Cross multiply
368,521.24x = 508,553.40 × 207,376.20 - Step 4: Simplify right side
368,521.24x = 105,461,871,589.08 - Step 5: Solve for x
x = 105,461,871,589.08/368,521.24 - Step 6: Final answer
x = 286,175.83
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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.