Finding the Fourth Proportional to 360,742.17, 497,607.30 and 238,235.67
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Solution
The fourth proportional to 360,742.17, 497,607.30 and 238,235.67 is: 328,621.99
Step by Step Solution
- Step 1: Write the proportion equation
360,742.17 : 497,607.30 = 238,235.67 : x - Step 2: Convert to fraction form
360,742.17/497,607.30 = 238,235.67/x - Step 3: Cross multiply
360,742.17x = 497,607.30 × 238,235.67 - Step 4: Simplify right side
360,742.17x = 118,547,808,512.39 - Step 5: Solve for x
x = 118,547,808,512.39/360,742.17 - Step 6: Final answer
x = 328,621.99
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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.