Finding the Fourth Proportional to 386,140.08, 578,941.26 and 169,894.08
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Solution
The fourth proportional to 386,140.08, 578,941.26 and 169,894.08 is: 254,722.83
Step by Step Solution
- Step 1: Write the proportion equation
386,140.08 : 578,941.26 = 169,894.08 : x - Step 2: Convert to fraction form
386,140.08/578,941.26 = 169,894.08/x - Step 3: Cross multiply
386,140.08x = 578,941.26 × 169,894.08 - Step 4: Simplify right side
386,140.08x = 98,358,692,741.74 - Step 5: Solve for x
x = 98,358,692,741.74/386,140.08 - Step 6: Final answer
x = 254,722.83
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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.