Finding the Fourth Proportional to 623,160.30, 859,956.84 and 368,506.02
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Solution
The fourth proportional to 623,160.30, 859,956.84 and 368,506.02 is: 508,535.72
Step by Step Solution
- Step 1: Write the proportion equation
623,160.30 : 859,956.84 = 368,506.02 : x - Step 2: Convert to fraction form
623,160.30/859,956.84 = 368,506.02/x - Step 3: Cross multiply
623,160.30x = 859,956.84 × 368,506.02 - Step 4: Simplify right side
623,160.30x = 316,899,272,480.18 - Step 5: Solve for x
x = 316,899,272,480.18/623,160.30 - Step 6: Final answer
x = 508,535.72
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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.