Finding the Fourth Proportional to 463,637.80, 695,456.70 and 214,319.80
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Solution
The fourth proportional to 463,637.80, 695,456.70 and 214,319.80 is: 321,479.70
Step by Step Solution
- Step 1: Write the proportion equation
463,637.80 : 695,456.70 = 214,319.80 : x - Step 2: Convert to fraction form
463,637.80/695,456.70 = 214,319.80/x - Step 3: Cross multiply
463,637.80x = 695,456.70 × 214,319.80 - Step 4: Simplify right side
463,637.80x = 149,050,140,852.66 - Step 5: Solve for x
x = 149,050,140,852.66/463,637.80 - Step 6: Final answer
x = 321,479.70
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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.