Finding the Fourth Proportional to 532,939.19, 735,457.98 and 291,221.76
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Solution
The fourth proportional to 532,939.19, 735,457.98 and 291,221.76 is: 401,887.07
Step by Step Solution
- Step 1: Write the proportion equation
532,939.19 : 735,457.98 = 291,221.76 : x - Step 2: Convert to fraction form
532,939.19/735,457.98 = 291,221.76/x - Step 3: Cross multiply
532,939.19x = 735,457.98 × 291,221.76 - Step 4: Simplify right side
532,939.19x = 214,181,367,341.65 - Step 5: Solve for x
x = 214,181,367,341.65/532,939.19 - Step 6: Final answer
x = 401,887.07
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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.