Finding the Fourth Proportional to 314,688.18, 434,269.74 and 171,448.23
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Solution
The fourth proportional to 314,688.18, 434,269.74 and 171,448.23 is: 236,598.58
Step by Step Solution
- Step 1: Write the proportion equation
314,688.18 : 434,269.74 = 171,448.23 : x - Step 2: Convert to fraction form
314,688.18/434,269.74 = 171,448.23/x - Step 3: Cross multiply
314,688.18x = 434,269.74 × 171,448.23 - Step 4: Simplify right side
314,688.18x = 74,454,776,637.05 - Step 5: Solve for x
x = 74,454,776,637.05/314,688.18 - Step 6: Final answer
x = 236,598.58
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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.