Finding the Fourth Proportional to 323,323.80, 484,985.70 and 248,587.80
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Solution
The fourth proportional to 323,323.80, 484,985.70 and 248,587.80 is: 372,881.70
Step by Step Solution
- Step 1: Write the proportion equation
323,323.80 : 484,985.70 = 248,587.80 : x - Step 2: Convert to fraction form
323,323.80/484,985.70 = 248,587.80/x - Step 3: Cross multiply
323,323.80x = 484,985.70 × 248,587.80 - Step 4: Simplify right side
323,323.80x = 120,561,528,194.46 - Step 5: Solve for x
x = 120,561,528,194.46/323,323.80 - Step 6: Final answer
x = 372,881.70
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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.