Finding the Fourth Proportional to 356,718.18, 535,159.62 and 120,055.08
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Solution
The fourth proportional to 356,718.18, 535,159.62 and 120,055.08 is: 180,110.34
Step by Step Solution
- Step 1: Write the proportion equation
356,718.18 : 535,159.62 = 120,055.08 : x - Step 2: Convert to fraction form
356,718.18/535,159.62 = 120,055.08/x - Step 3: Cross multiply
356,718.18x = 535,159.62 × 120,055.08 - Step 4: Simplify right side
356,718.18x = 64,248,630,991.87 - Step 5: Solve for x
x = 64,248,630,991.87/356,718.18 - Step 6: Final answer
x = 180,110.34
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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.