Finding the Fourth Proportional to 368,676.15, 508,767.44 and 207,530.70
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Solution
The fourth proportional to 368,676.15, 508,767.44 and 207,530.70 is: 286,389.19
Step by Step Solution
- Step 1: Write the proportion equation
368,676.15 : 508,767.44 = 207,530.70 : x - Step 2: Convert to fraction form
368,676.15/508,767.44 = 207,530.70/x - Step 3: Cross multiply
368,676.15x = 508,767.44 × 207,530.70 - Step 4: Simplify right side
368,676.15x = 105,584,862,960.41 - Step 5: Solve for x
x = 105,584,862,960.41/368,676.15 - Step 6: Final answer
x = 286,389.19
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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.