Finding the Fourth Proportional to 367,718.70, 507,510.86 and 343,705.44
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Solution
The fourth proportional to 367,718.70, 507,510.86 and 343,705.44 is: 474,368.70
Step by Step Solution
- Step 1: Write the proportion equation
367,718.70 : 507,510.86 = 343,705.44 : x - Step 2: Convert to fraction form
367,718.70/507,510.86 = 343,705.44/x - Step 3: Cross multiply
367,718.70x = 507,510.86 × 343,705.44 - Step 4: Simplify right side
367,718.70x = 174,434,243,441.08 - Step 5: Solve for x
x = 174,434,243,441.08/367,718.70 - Step 6: Final answer
x = 474,368.70
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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.