Finding the Fourth Proportional to 472,746.63, 652,399.61 and 257,894.67
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Solution
The fourth proportional to 472,746.63, 652,399.61 and 257,894.67 is: 355,899.70
Step by Step Solution
- Step 1: Write the proportion equation
472,746.63 : 652,399.61 = 257,894.67 : x - Step 2: Convert to fraction form
472,746.63/652,399.61 = 257,894.67/x - Step 3: Cross multiply
472,746.63x = 652,399.61 × 257,894.67 - Step 4: Simplify right side
472,746.63x = 168,250,382,129.08 - Step 5: Solve for x
x = 168,250,382,129.08/472,746.63 - Step 6: Final answer
x = 355,899.70
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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.