Finding the Fourth Proportional to 253,450,128.04, 349,919,144.58 and 174,201,646.12
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Solution
The fourth proportional to 253,450,128.04, 349,919,144.58 and 174,201,646.12 is: 240,506,846.32
Step by Step Solution
- Step 1: Write the proportion equation
253,450,128.04 : 349,919,144.58 = 174,201,646.12 : x - Step 2: Convert to fraction form
253,450,128.04/349,919,144.58 = 174,201,646.12/x - Step 3: Cross multiply
253,450,128.04x = 349,919,144.58 × 174,201,646.12 - Step 4: Simplify right side
253,450,128.04x = 60,956,490,994,738,272 - Step 5: Solve for x
x = 60,956,490,994,738,272/253,450,128.04 - Step 6: Final answer
x = 240,506,846.32
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.