Finding the Fourth Proportional to 357,393.80, 536,090.70 and 94,737.80
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Solution
The fourth proportional to 357,393.80, 536,090.70 and 94,737.80 is: 142,106.70
Step by Step Solution
- Step 1: Write the proportion equation
357,393.80 : 536,090.70 = 94,737.80 : x - Step 2: Convert to fraction form
357,393.80/536,090.70 = 94,737.80/x - Step 3: Cross multiply
357,393.80x = 536,090.70 × 94,737.80 - Step 4: Simplify right side
357,393.80x = 50,788,053,518.46 - Step 5: Solve for x
x = 50,788,053,518.46/357,393.80 - Step 6: Final answer
x = 142,106.70
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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.