Finding the Fourth Proportional to 472,174.08, 651,583.68 and 257,309.76
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Solution
The fourth proportional to 472,174.08, 651,583.68 and 257,309.76 is: 355,078.45
Step by Step Solution
- Step 1: Write the proportion equation
472,174.08 : 651,583.68 = 257,309.76 : x - Step 2: Convert to fraction form
472,174.08/651,583.68 = 257,309.76/x - Step 3: Cross multiply
472,174.08x = 651,583.68 × 257,309.76 - Step 4: Simplify right side
472,174.08x = 167,658,840,320.72 - Step 5: Solve for x
x = 167,658,840,320.72/472,174.08 - Step 6: Final answer
x = 355,078.45
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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.