Finding the Fourth Proportional to 549,666.68, 758,620.16 and 307,965.62
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Solution
The fourth proportional to 549,666.68, 758,620.16 and 307,965.62 is: 425,037.46
Step by Step Solution
- Step 1: Write the proportion equation
549,666.68 : 758,620.16 = 307,965.62 : x - Step 2: Convert to fraction form
549,666.68/758,620.16 = 307,965.62/x - Step 3: Cross multiply
549,666.68x = 758,620.16 × 307,965.62 - Step 4: Simplify right side
549,666.68x = 233,628,927,918.90 - Step 5: Solve for x
x = 233,628,927,918.90/549,666.68 - Step 6: Final answer
x = 425,037.46
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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.