Finding the Fourth Proportional to 236,931.60, 355,537.80 and 87,277.08
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Solution
The fourth proportional to 236,931.60, 355,537.80 and 87,277.08 is: 130,967.34
Step by Step Solution
- Step 1: Write the proportion equation
236,931.60 : 355,537.80 = 87,277.08 : x - Step 2: Convert to fraction form
236,931.60/355,537.80 = 87,277.08/x - Step 3: Cross multiply
236,931.60x = 355,537.80 × 87,277.08 - Step 4: Simplify right side
236,931.60x = 31,030,301,013.62 - Step 5: Solve for x
x = 31,030,301,013.62/236,931.60 - Step 6: Final answer
x = 130,967.34
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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.