Finding the Fourth Proportional to 434,601.20, 651,901.80 and 368,335.10
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Solution
The fourth proportional to 434,601.20, 651,901.80 and 368,335.10 is: 552,502.65
Step by Step Solution
- Step 1: Write the proportion equation
434,601.20 : 651,901.80 = 368,335.10 : x - Step 2: Convert to fraction form
434,601.20/651,901.80 = 368,335.10/x - Step 3: Cross multiply
434,601.20x = 651,901.80 × 368,335.10 - Step 4: Simplify right side
434,601.20x = 240,118,314,693.18 - Step 5: Solve for x
x = 240,118,314,693.18/434,601.20 - Step 6: Final answer
x = 552,502.65
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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.