Finding the Fourth Proportional to 916,965.90, 1,375,509.60 and 243,037.80
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Solution
The fourth proportional to 916,965.90, 1,375,509.60 and 243,037.80 is: 364,572.80
Step by Step Solution
- Step 1: Write the proportion equation
916,965.90 : 1,375,509.60 = 243,037.80 : x - Step 2: Convert to fraction form
916,965.90/1,375,509.60 = 243,037.80/x - Step 3: Cross multiply
916,965.90x = 1,375,509.60 × 243,037.80 - Step 4: Simplify right side
916,965.90x = 334,300,827,062.88 - Step 5: Solve for x
x = 334,300,827,062.88/916,965.90 - Step 6: Final answer
x = 364,572.80
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.