Finding the Fourth Proportional to 340,332.24, 510,814.12 and 171,970.79
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Solution
The fourth proportional to 340,332.24, 510,814.12 and 171,970.79 is: 258,115.75
Step by Step Solution
- Step 1: Write the proportion equation
340,332.24 : 510,814.12 = 171,970.79 : x - Step 2: Convert to fraction form
340,332.24/510,814.12 = 171,970.79/x - Step 3: Cross multiply
340,332.24x = 510,814.12 × 171,970.79 - Step 4: Simplify right side
340,332.24x = 87,845,109,640.03 - Step 5: Solve for x
x = 87,845,109,640.03/340,332.24 - Step 6: Final answer
x = 258,115.75
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1.5x scale
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.