Finding the Fourth Proportional to 472,162.08, 651,567.12 and 257,297.76
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Solution
The fourth proportional to 472,162.08, 651,567.12 and 257,297.76 is: 355,061.89
Step by Step Solution
- Step 1: Write the proportion equation
472,162.08 : 651,567.12 = 257,297.76 : x - Step 2: Convert to fraction form
472,162.08/651,567.12 = 257,297.76/x - Step 3: Cross multiply
472,162.08x = 651,567.12 × 257,297.76 - Step 4: Simplify right side
472,162.08x = 167,646,760,465.65 - Step 5: Solve for x
x = 167,646,760,465.65/472,162.08 - Step 6: Final answer
x = 355,061.89
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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.