Finding the Fourth Proportional to 264,315.79, 364,756.16 and 143,457.07
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Solution
The fourth proportional to 264,315.79, 364,756.16 and 143,457.07 is: 197,970.96
Step by Step Solution
- Step 1: Write the proportion equation
264,315.79 : 364,756.16 = 143,457.07 : x - Step 2: Convert to fraction form
264,315.79/364,756.16 = 143,457.07/x - Step 3: Cross multiply
264,315.79x = 364,756.16 × 143,457.07 - Step 4: Simplify right side
264,315.79x = 52,326,849,978.05 - Step 5: Solve for x
x = 52,326,849,978.05/264,315.79 - Step 6: Final answer
x = 197,970.96
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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.