Finding the Fourth Proportional to 408,923.74, 564,275.18 and 301,551.58
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Solution
The fourth proportional to 408,923.74, 564,275.18 and 301,551.58 is: 416,111.99
Step by Step Solution
- Step 1: Write the proportion equation
408,923.74 : 564,275.18 = 301,551.58 : x - Step 2: Convert to fraction form
408,923.74/564,275.18 = 301,551.58/x - Step 3: Cross multiply
408,923.74x = 564,275.18 × 301,551.58 - Step 4: Simplify right side
408,923.74x = 170,158,072,083.78 - Step 5: Solve for x
x = 170,158,072,083.78/408,923.74 - Step 6: Final answer
x = 416,111.99
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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.