Finding the Fourth Proportional to 368,560.19, 508,528.91 and 207,356.42
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Solution
The fourth proportional to 368,560.19, 508,528.91 and 207,356.42 is: 286,104.52
Step by Step Solution
- Step 1: Write the proportion equation
368,560.19 : 508,528.91 = 207,356.42 : x - Step 2: Convert to fraction form
368,560.19/508,528.91 = 207,356.42/x - Step 3: Cross multiply
368,560.19x = 508,528.91 × 207,356.42 - Step 4: Simplify right side
368,560.19x = 105,446,735,256.23 - Step 5: Solve for x
x = 105,446,735,256.23/368,560.19 - Step 6: Final answer
x = 286,104.52
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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.