Finding the Fourth Proportional to 409,726.17, 614,567.35 and 125,416.87
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Solution
The fourth proportional to 409,726.17, 614,567.35 and 125,416.87 is: 188,118.59
Step by Step Solution
- Step 1: Write the proportion equation
409,726.17 : 614,567.35 = 125,416.87 : x - Step 2: Convert to fraction form
409,726.17/614,567.35 = 125,416.87/x - Step 3: Cross multiply
409,726.17x = 614,567.35 × 125,416.87 - Step 4: Simplify right side
409,726.17x = 77,077,109,741.27 - Step 5: Solve for x
x = 77,077,109,741.27/409,726.17 - Step 6: Final answer
x = 188,118.59
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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.