Finding the Fourth Proportional to 451,681.18, 623,319.96 and 250,477.18
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Solution
The fourth proportional to 451,681.18, 623,319.96 and 250,477.18 is: 345,658.47
Step by Step Solution
- Step 1: Write the proportion equation
451,681.18 : 623,319.96 = 250,477.18 : x - Step 2: Convert to fraction form
451,681.18/623,319.96 = 250,477.18/x - Step 3: Cross multiply
451,681.18x = 623,319.96 × 250,477.18 - Step 4: Simplify right side
451,681.18x = 156,127,425,818.51 - Step 5: Solve for x
x = 156,127,425,818.51/451,681.18 - Step 6: Final answer
x = 345,658.47
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1.5x scale
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.