Finding the Fourth Proportional to 472,743.63, 652,395.47 and 257,891.67
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Solution
The fourth proportional to 472,743.63, 652,395.47 and 257,891.67 is: 355,895.55
Step by Step Solution
- Step 1: Write the proportion equation
472,743.63 : 652,395.47 = 257,891.67 : x - Step 2: Convert to fraction form
472,743.63/652,395.47 = 257,891.67/x - Step 3: Cross multiply
472,743.63x = 652,395.47 × 257,891.67 - Step 4: Simplify right side
472,743.63x = 168,247,355,969.28 - Step 5: Solve for x
x = 168,247,355,969.28/472,743.63 - Step 6: Final answer
x = 355,895.55
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.