Finding the Fourth Proportional to 340,557.91, 469,970.02 and 197,400.99
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Solution
The fourth proportional to 340,557.91, 469,970.02 and 197,400.99 is: 272,413.43
Step by Step Solution
- Step 1: Write the proportion equation
340,557.91 : 469,970.02 = 197,400.99 : x - Step 2: Convert to fraction form
340,557.91/469,970.02 = 197,400.99/x - Step 3: Cross multiply
340,557.91x = 469,970.02 × 197,400.99 - Step 4: Simplify right side
340,557.91x = 92,772,547,218.32 - Step 5: Solve for x
x = 92,772,547,218.32/340,557.91 - Step 6: Final answer
x = 272,413.43
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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.