Finding the Fourth Proportional to 476,370.19, 657,366.15 and 282,785.95
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Solution
The fourth proportional to 476,370.19, 657,366.15 and 282,785.95 is: 390,229.94
Step by Step Solution
- Step 1: Write the proportion equation
476,370.19 : 657,366.15 = 282,785.95 : x - Step 2: Convert to fraction form
476,370.19/657,366.15 = 282,785.95/x - Step 3: Cross multiply
476,370.19x = 657,366.15 × 282,785.95 - Step 4: Simplify right side
476,370.19x = 185,893,911,225.59 - Step 5: Solve for x
x = 185,893,911,225.59/476,370.19 - Step 6: Final answer
x = 390,229.94
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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.