Finding the Fourth Proportional to 472,718.07, 652,355.10 and 257,859.09
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Solution
The fourth proportional to 472,718.07, 652,355.10 and 257,859.09 is: 355,847.82
Step by Step Solution
- Step 1: Write the proportion equation
472,718.07 : 652,355.10 = 257,859.09 : x - Step 2: Convert to fraction form
472,718.07/652,355.10 = 257,859.09/x - Step 3: Cross multiply
472,718.07x = 652,355.10 × 257,859.09 - Step 4: Simplify right side
472,718.07x = 168,215,692,442.86 - Step 5: Solve for x
x = 168,215,692,442.86/472,718.07 - Step 6: Final answer
x = 355,847.82
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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.