Finding the Fourth Proportional to 307,533.60, 461,257.20 and 97,192.80
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Solution
The fourth proportional to 307,533.60, 461,257.20 and 97,192.80 is: 145,775.55
Step by Step Solution
- Step 1: Write the proportion equation
307,533.60 : 461,257.20 = 97,192.80 : x - Step 2: Convert to fraction form
307,533.60/461,257.20 = 97,192.80/x - Step 3: Cross multiply
307,533.60x = 461,257.20 × 97,192.80 - Step 4: Simplify right side
307,533.60x = 44,830,878,788.16 - Step 5: Solve for x
x = 44,830,878,788.16/307,533.60 - Step 6: Final answer
x = 145,775.55
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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.