Finding the Fourth Proportional to 368,446.95, 508,461.45 and 207,302.31
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Solution
The fourth proportional to 368,446.95, 508,461.45 and 207,302.31 is: 286,079.81
Step by Step Solution
- Step 1: Write the proportion equation
368,446.95 : 508,461.45 = 207,302.31 : x - Step 2: Convert to fraction form
368,446.95/508,461.45 = 207,302.31/x - Step 3: Cross multiply
368,446.95x = 508,461.45 × 207,302.31 - Step 4: Simplify right side
368,446.95x = 105,405,233,130.95 - Step 5: Solve for x
x = 105,405,233,130.95/368,446.95 - Step 6: Final answer
x = 286,079.81
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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.