Finding the Fourth Proportional to 447,777.34, 671,689.06 and 127,903.98
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Solution
The fourth proportional to 447,777.34, 671,689.06 and 127,903.98 is: 191,862.55
Step by Step Solution
- Step 1: Write the proportion equation
447,777.34 : 671,689.06 = 127,903.98 : x - Step 2: Convert to fraction form
447,777.34/671,689.06 = 127,903.98/x - Step 3: Cross multiply
447,777.34x = 671,689.06 × 127,903.98 - Step 4: Simplify right side
447,777.34x = 85,911,704,096.46 - Step 5: Solve for x
x = 85,911,704,096.46/447,777.34 - Step 6: Final answer
x = 191,862.55
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.