Finding the Fourth Proportional to 398,024.98, 549,266.58 and 216,739.06
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Solution
The fourth proportional to 398,024.98, 549,266.58 and 216,739.06 is: 299,095.61
Step by Step Solution
- Step 1: Write the proportion equation
398,024.98 : 549,266.58 = 216,739.06 : x - Step 2: Convert to fraction form
398,024.98/549,266.58 = 216,739.06/x - Step 3: Cross multiply
398,024.98x = 549,266.58 × 216,739.06 - Step 4: Simplify right side
398,024.98x = 119,047,522,238.62 - Step 5: Solve for x
x = 119,047,522,238.62/398,024.98 - Step 6: Final answer
x = 299,095.61
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.